Table 1-8:  U.S. Oil and Gas Pipeline Mileage ,,,,,,,,,,,,,,,,
,1960  ,1965  ,1970  ,1975  ,1980    ,1985    ,1990    ,1991    ,1992    ,1993    ,1994    ,1995    ,1996    ,1997    ,1998    ,1999    
Oil pipeline,,,,,,,,,,,,,,,,
Crude linesa,"141,085","149,424","146,275","145,679","129,831","117,812","118,805","115,860","110,651","107,246","103,277","R97,029","92,610","91,523","87,663","86,369"
Product lines,"49,859","61,443","72,396","80,210","88,562","95,793","89,947","87,968","85,894","86,734","87,073","R84,883","84,925","88,350","90,985","91,094"
    Total ,"190,944","210,867","218,671","225,889","218,393","213,605","208,752","203,828","196,545","193,980","190,350","R181,912","177,535","179,873","178,648","177,463"
,,,,,,,,,,,,,,,,
Gas pipelineb,,,,,,,,,,,,,,,,
Distribution mains,"391,400","494,500","594,800","648,200","701,800","753,400","837,300","857,500","883,200","908,300","919,300","936,800","959,500","957,100","R999,000","1,045,919"
Transmission pipelinesc,"183,700","211,300","252,200","262,600","266,500","271,200","280,100","281,600","284,500","269,600","268,300","263,900","259,300","251,100","R255,800","263,347"
Field and gathering lines,"55,800","61,700","66,300","68,500","83,500","94,300","89,500","86,300","86,200","73,100","70,400","60,400","57,500","43,000","R40,200","36,115"
    Total,"630,950","767,520","913,267","979,263","1,051,774","1,118,875","1,206,894","1,225,358","1,253,924","1,251,095","1,257,971","1,261,100","1,276,315","1,251,200","R1,295,000","1,345,381"
KEY:  R = revised; U = data are not available.,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
a  Includes trunk and gathering lines.,,,,,,,,,,,,,,,,
b  Excludes service pipe. Data are not adjusted to common diameter equivalent. Mileage as of the end of each year.,,,,,,,,,,,,,,,,
"c  After 1975, includes 5,000-6,200 miles of underground storage pipe.",,,,,,,,,,,,,,
,,,,,,,,,,,,,,
"NOTE: For gas pipeline data from 1960-1998, numbers may not add to totals due to rounding because the source provides exact numbers for totals, but rounded mileage for subtotals. Exact subtotals were available for 1999.",,,,,,,,,,,,,,
,,,,,,,,,,,,,,
SOURCES:,,,,,,,,,,,,,,
Oil pipeline:,,,,,,,,,,,,,,
"1960-99: Eno Transportation Foundation, Inc., Transportation in America, 2000 (Washington, DC: 2001), p. 44.  ",,,,,,,,,,,,,,
Gas pipeline:,,,,,,,,,,,,,,
"1960-97,1999: American Gas Association, Gas Facts (Arlington, VA: Annual issues), tables 5-1 and 5-3, and similar tables in earlier editions.",,,,,,,,,,,,,,
"1998: Ibid., personal communications as of Dec. 19, 2001.",,,,,,,,,,,,,,




































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































16