Table 4 Transit: 1999 Data (unless noted) Vehicles1 (1998) " 55,661 buses (also included in buses under highway),"   17.9 billion passenger-miles " 11,357 heavy and light rail, 13.4 billion passenger-miles" " 5,535 commuter rail, 8.7 billion passenger-miles" " 97 ferries, 280 million passenger-miles" " 20,042 demand responsive, 513 million passenger-miles" " 7,654 other vehicles, 654 million passenger-miles" Transit agencies2  554 federally funded urbanized area agencies " 1,074 federally funded rural agencies" " 3,594 federally funded specialized transportation agencies"  753 other agencies " 321,000 employees" "1 U.S. Department of Transportation, Federal Transit Administration, National Transit Database 1998, available at http://www.fta.dot.gov/ntl/databases/index.html, as of Oct. 23, 2000." "2 American Public Transportation Association, Transit Factbook 1999 (Washington, DC: 1999)." "SOURCE: Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2000 (Washington, DC: 2001)."