|Total number of buses||55,726||57,023||57,322||57,369||58,975||60,830||63,618||65,324||67,379||68,418|
|Lift- or ramp-equipped buses (number)||29,088||31,065||35,381||38,316||40,932||46,278||51,213||54,585||58,785||64,407|
|Lift- or ramp-equipped buses (percent)||52.2||54.5||61.7||66.8||69.4||76.1||80.5||83.6||87.2||94.1|
NOTE: Total includes buses of transit agencies receiving federal funding for bus purchases, as well as buses of agencies not receiving federal funds that voluntarily report data to the Federal Transit Administration.
SOURCE: U.S. Department of Transportation, Federal Transit Administration, National Transit Summaries and Trends, Annual Reports, available at http://www.ntdprogram.com, as of May 2004.