Table 1,,
Condition of Transit Vehicles: 1987–1997,,
,Rating,
Type of vehicle,1987,1997
Articulated buses,3.1,2.7
Full-size buses,3,3
Mid-size buses,3,3
Small buses,3.3,3.4
Vans,3.2,3.5
Locomotives,4.5,4.5
Heavy railcars,4.7,3.9
Unpowered commuter railcars,4.2,4.2
Powered commuter railcars,4.8,3.7
Light-rail vehicles,4.5,4.6
Key to ratings: 0.0–1.99 = poor; 2.0–2.99 = substandard; 3.0–3.99 = adequate; 4.0–4.9 = good; 4.9–5.0 = excellent.,,

"SOURCE: U.S. Department of Transportation, Federal Highway Administration and Federal Transit Administration, 1999 Status of the Nation's Surface Transportation System: Condition and Performance (Washington, DC: 2000)."