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Average Age of Urban Transit Vehicles

Dataset Excel: 
Description: 

KEY: U = data are not available.

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.

Source: 

All data, except full-size, mid-size, small, and articulated transit bus:

U.S. Department of Transportation, Federal Transit Administration, National Transit Database (Washington, DC: Annual reports), table 25 and similar tables in earlier editions, available at as of May 5, 2016.

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. 

1992-2013: Ibid., National Transit Summaries and Trends (Washington, DC: Annual reports), table 25, available at as of May 5, 2016.

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