Table 1-6M. Estimated U.S. Roadway Lane-Kilometers by Functional System
Table 1-6M. Estimated U.S. Roadway Lane-Kilometers by Functional SystemExcel | CSV
1980 1985 1990 1991 1992 1993 1994 1995 1996 1997R 1998R 1999 Urban Interstates 77,986 R92,207...