Figure 12-5
Interruptions of Service by Transit Type: 1995–2000 and 2001–2003

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NOTES: Interruptions of service include major and minor mechanical failures. Since 2001, if the vehicle operator was able to fix the problem and return the vehicle to service without assistance, the incident has not been considered an interruption of service.

For definitions of service types, see Glossary.

SOURCES: U.S. Department of Transportation (USDOT), Research and Innovative Technology Administration, Bureau of Transportation Statistics, calculations based on various data.  Revenue vehicle-miles—USDOT, Federal Transit Administration (FTA), National Transit Database, 2003 National Transit Summaries and Trends, 2003 NTST Table of Charts, available at http://www.ntdprogram.com/, as of April 2005. 1995–2002 interruptions of service—USDOT, FTA, National Transit Database, 2003 Data Tables, Revenue Vehicle Maintenance Performance table, available at http://www.ntdprogram.com/, as of April 2005. 2003 interruptions of service—American Public Transportation Association, personal communication, April 2005.