Table 1-28a:  Average Age of Urban Transit Vehicles (Years),,,,,,,,,,,,,,,,,,,
,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007
Transit rail,,,,,,,,,,,,,,,,,,,
Commuter rail locomotivesa,16.3,15.7,15.3,15.8,15.6,15.3,15.9,17.6,17.0,14.7,13.2,13.4,14.2,16.0,16.6,16.0,16.5,16.9,18.4
Commuter rail passenger coaches,19.1,17.6,17.3,19.3,18.6,20.1,21.4,24.1,21.6,19.4,17.5,16.9,18.1,20.1,20.5,17.9,18.6,18.6,18.9
Commuter rail self-propelled passenger cars,12.3,15.9,16.5,17.6,18.2,16.0,19.8,21.1,22.3,23.2,24.3,25.4,26.2,27.1,25.4,23.6,19.4,15.9,16.9
Heavy-rail passenger cars,17.1,16.2,16.9,17.7,17.8,15.8,19.3,20.2,21.1,22.0,22.5,22.9,21.7,20.0,19.0,19.8,20.8,21.6,21.6
Light rail vehicles (streetcars),20.6,15.2,16.6,17.0,14.9,16.7,16.8,16.0,15.9,15.7,15.7,16.1,16.4,16.3,15.6,15.5,14.5,15.3,16.1
Transit busb,,,,,,,,,,,,,,,,,,,
Articulated  ,3.4,7.6,8.2,9.1,9.5,10.1,10.7,11.3,11.7,11.2,8.5,6.6,5.9,5.8,5.8,4.6,4.9,5.4,6.2
Full-size  ,8.1,8.2,8.0,8.3,8.5,8.7,8.6,8.7,8.5,8.5,8.4,8.1,7.8,7.5,7.3,7.2,7.6,7.4,6.2
Mid-size ,5.6,6.6,6.7,6.8,6.4,6.9,6.8,6.3,5.8,5.8,5.6,5.6,5.6,5.6,5.7,5.7,5.8,6.2,6.5
Small ,4.8,3.9,4.0,4.1,4.0,4.1,4.0,4.0,3.9,4.0,4.0,4.1,4.0,4.0,4.0,4.1,4.1,4.3,4.3
Trolley ,U,10.9,10.3,11.2,12.0,11.1,13.1,14.0,14.7,14.6,15.6,16.4,20.4,15.4,11.6,8.5,9.4,9.0,8.5
Other,,,,,,,,,,,,,,,,,,,
Vans,3.8,2.8,3.0,3.1,3.1,3.9,3.1,3.1,3.0,2.9,3.1,3.1,3.3,4.9,3.4,3.4,3.4,3.1,3.1
Ferry boats,U,21.7,19.6,22.7,24.7,23.5,23.4,25.3,25.4,25.8,25.1,25.6,24.7,26.8,27.1,25.6,25.6,21.7,20.3,
KEY:  U = data are not available.,,,,,,,,,,,,,,,,,,,,
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a  Locomotives used in Amtrak intercity passenger services are not included.,,,,,,,,,,,,,,,,,,,,
b  Full-size buses have more than 35 seats; mid-size buses have 25-35 seats; small buses have fewer than 25 seats.,,,,,,,,,,,,,,,,,,,,
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SOURCES,,,,,,,,,,,,,,,,,,,,
"All data, except full-size, mid-size, small, and articulated transit bus:",,,,,,,,,,,,,,,,,,,,
"U.S. Department of Transportation, Federal Transit Administration, National Transit Database 2007 (Washington, DC: 2008), table 25 and similar tables in earlier editions, available at http://www.ntdprogram.gov/ntdprogram/ as of Mar. 18, 2009.",,,,,,,,,,,,,,,,,,,,
"Full-size, mid-size, small, and articulated transit bus:",,,,,,,,,,,,,,,,,,,,
"1985-91: U.S. Department of Transportation, Federal Transit Administration, National Transit Database 1991 (Washington, DC: 1993), table 29 and similar tables in earlier editions. ",,,,,,,,,,,,,,,,,,,,
"1992-2007: Ibid., National Transit Summaries and Trends 2007 (Washington, DC: 2008), p. 53 and similar tables in earlier editions, available at http://www.ntdprogram.gov/ntdprogram/ as of Mar. 18, 2009.",,,,,,,,,,,,,,,,,,,,
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