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- Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)[remove]17
- Federal Highway Administration, Office of Planning, HEPP-17
- Federal Highway Administration (FHWA)2
- Federal Transit Administration (FTA)2
- Vanderbilt Engineering Center for Transportation Operations and Research Vanderbilt University2
- Federal Aviation Administration1
- Federal Motor Carrier Safety Administration1
- Surface Deployment and Distribution Command Transportation Engineering Agency (SDDCTEA)1
- Volpe NTSC1