Table 1,,,,,
"The Transportation Network: 2002
",,,,,
Mode,Components,,,,
Highway,Public roads,,,,
,"46,747 miles of Interstate highway",,,,
,"114,790 miles of other National Highway System roads",,,,
,"3,820,134 miles of other roads",,,,
Air,Public-use airports,,,,
,"5,286 airports",,,,
,Airports serving large certificated carriers (2001),,,,
,"29 large hubs (72 airports), 445 million enplaned passengers (see Glossary for definition of ""hub"") ",,,,
,,,,,
,"31 medium hubs (52 airports), 95 million enplaned passengers ",,,,
,"55 small hubs (72 airports), 36 million enplaned passengers",,,,
,"598 nonhubs (622 airports), 16 million enplaned passengers",,,,
Rail,Miles of railroad operated (2001),,,,
,"97,631 miles by Class I freight railroads in the United Statesa",,,,
,"17,439 miles by regional freight railroads",,,,
,"27,563 miles by local freight railroads",,,,
,"23,000 miles by Amtrak (passenger)",,,,
"Urban transit
(2001)",Directional route-miles servicedb,,,,
,"Bus: 160,506 (2000)",,,,
,Trolley bus: 467R,,,,
,"Commuter rail: 5,209",,,,
,"Heavy rail: 1,572",,,,
,Light rail: 897R,,,,
,Stations,,,,
,Commuter rail: 986R,,,,
,"Heavy rail: 1,019",,,,
,Light rail: 613R,,,,
Water ,"26,000 miles of navigable waterways (2000)",,,,
,Ferry routes: 487 (2000),,,,
,Commercial waterway facilitiesc (2001),,,,,,,
,"Great Lakes: 600 deep-draft, 154 shallow-draft",,,,,,,
,"Inland: 2,367 shallow-draft",,,,,,,
,"Ocean: 4,269 deep-draft, 1,798 shallow-draft",,,,,,,
,Locks: 275,,,,,,,
Pipeline,Oil ,,,,,,,
,"Crude lines: 69,068 miles of pipe ",,,,,,,
,"Product lines: 80,551 miles of pipe ",,,,,,,
,Gas (2001),,,,,,,
,"Transmission: 258,800 miles of pipe ",,,,,,,
,"Distribution: 1,139,400 miles of pipe ",,,,,,,
a There are also 311 miles of railroad operated by U.S. Class I freight railroads in Canada and Mexico. ,,,,,,,,
b The Amtrak mileage includes the 730 miles of trackage it owns and route-miles operated on the tracks of the freight railroads.,,,,,,,,
c Directly operated service. Does not include contracted service.,,,,,,,,
d See Glossary for definition of commercial waterway facilites.,,,,,,,,
Key: R=Revised,,,,,,,,
"Sources: Various sources, as cited in U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), National Transportation Statistics 2002 (Washington, DC: 2002); Association of American Railroads, Railroad Facts, 2002 (Washington, DC: 2002); USDOT, Federal Highway Administration, Highway Statistics 2002 (Washington, DC: 2003); Oil & Gas Journal, Sept. 8, 2003; USDOT, Federal Transit Administration, National Transit Database, November 2003, tables 18 and 20; USDOT, BTS, Airport Activity Statistics of Certificated Air Carriers, Summary Tables, 12 Months Ending Dec. 31, 2001 (Washington, DC: 2003); US Army Corps of Engineers, Institute for Water Resources, Navigation Data Center, The US Waterway System Facts, December 2002 (Alexandria, VA: 2003).",,,,,,,,
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