Table 26,,,,,,,
Comparison of Estimates of U.S. Total Commercial Activity for 2002,,,,,,,
Transportation mode,Published preliminary estimates (1),,,New composite estimates (2),,,
,"Value 
(billion $)","Tons 
(million)","Ton-miles 
(billion)","Value 
(billion $)","Tons 
(million)","Ton-miles 
(billion)",
All Modes,"10,460 ","15,815 ","4,506 "," 13,052 "," 19,487 "," 4,409 ",
Truck,"6,660 ","9,197 ","1,449 "," 9,075 "," 11,712 "," 1,515 ",
Rail,388 ,"1,895 ","1,254 ", 392 ," 1,979 "," 1,372 ",
Water,867 ,"2,345 ",733 , 673 ," 1,668 ", 485 ,
Air (incl. truck and air),777 ,10 ,15 , 563 , 6 , 13 ,
Pipeline,285 ,"1,656 ",753 , 896 ," 3,529 ", 688 ,
Multiple modes,"1,111 ",213 ,226 ," 1,121 ", 229 , 233 ,
Unknown modes,373 ,499 ,77 , 331 , 365 , 103 ,
"(1) From Table 1 Commercial Freight Activity in the United States by Mode of Transportation: 1993, 1997, 2002  of Freight Shipments in America report, released April 2004.  The value data as published were adjusted for inflation and are in 2000 chained dollars.  This was done to make the value data comparable to 1997 and 1993, the other CFS years. 
(2) From Table 1 of this current report Freight in America, released January 2006.",,,,,,,
"SOURCE:  U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, January 2006.",,,,,,,