Figure 4: Truck Ton-Miles,,,,,,,,,,,,
,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001
"Intercity Truck (NTS, Eno)1, 2 ",735,758,815,861,908,921,972,996,"1,027","1,059","1,074","1,051"
ICC Truck,311,320,342,365,391,401,428,436,459,474,483,471
Non-ICC Truck,424,438,473,496,517,520,544,560,568,585,591,580
"All Truck, 1997 base (Improved BTS)",854,874,896,936,996,"1,042","1,071","1,119","1,149","1,186","1,203","1,216"
Sources:,,,,,,,,,,,,
"1 BTS, National Transportation Statistics, 2003, Table 1-44. ",,,,,,,,,,,,
"2 Eno Transportation Foundation, Transportation in America, 2002, p. 42. ",,,,,,,,,,,,