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- United States. Bureau of Transportation Statistics23
- Environmental Systems Research Institute (Redlands, Calif.)17
- TomTom North America, Inc.16
- New York (City). Department of City Planning.10
- United States. Environmental Protection Agency.8
- United States. Department of Transportation. Research and Innovative Technology Administration6
- United States. Federal Highway Administration.5
- Michael Bauer Research GmbH4
- Digital Social Science Center (DSSC), Columbia University Libraries3
- United States. Bureau of the Census.3
- Digital Social Science Center, Columbia University Libraries2
- Economic and Social Research Institute (Reston, Va.)2
- New York City Housing Authority2
- United States. Army. Corps of Engineers.2
- Environmental Systems Research Institute (Redlands, Calif.)i1
- Esri1
- Federal Highway Administration1
- Meridian World Data1
- New York (N.Y.). Dept. of City Planning1
- New York (N.Y.). Police Department1