Figure 1,,,,,,
Revenue Vehicle-Miles by Urban Transit Mode: 1991–2000,,,,,,
(Millions of revenue vehicle-miles),,,,,,
Year,Demand responsive,Heavy rail,Commuter rail,Light rail,Vanpool,Bus
1991,186,508,198,27,11,"1,553"
1992,209,510,200,28,15,"1,559"
1993,243,505,203,27,19,"1,578"
1994,273,516,210,33,23,"1,586"
1995,297,522,218,34,22,"1,591"
1996,308,528,221,37,33,"1,577"
1997,350,540,230,40,40,"1,606"
1998,389,549,238,42,53,"1,653"
1999,418,561,243,47,60,"1,719"
2000,452,578,243,51,62,"1,764"
"NOTE: Other modes, including ferryboat, trolley bus, and automated guideway, are not shown.",,,,,,
"SOURCE: U.S. Department of Transportation, Federal Transit Administration, National Transit Database, Annual years.",,,,,,