TABLE 4-5 U.S. Railroad Freight Traffic: 1992–2002,,,,,,,,,,,,, "Millions ",,,,,,,,,,,,, ,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,, Tons ,"1,399","1,397","1,470","1,550","1,611","1,585","1,649","1,717","1,738","1,742","1,767",, Carloads,21,22,23,24,24,25,26,27,28,27,28,, " SOURCE: Association of American Railroads, Railroad Facts 2003 (Washington, DC: 2003), pp. 24 and 28.",,,,,,,,,,,,, ,,,,,,,,,,,,,