Creator
- Hudgins, Andrew1
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)1
- Jessberger, Steven1
- John A. Volpe National Transportation Systems Center (U.S.)1
- Liu, Zhi1
- Lubkin, Samantha1
- Miller, David1
- Rumsey, David, 1944-1
- Stanford University. Center for Spatial and Textual Analysis1
- United States. Bureau of Customs and Border Protection1
- United States. Bureau of Transportation Statisticsf1
- United States. Department of Housing and Urban Development1
- United States. Federal Highway Administration. Office of Highway Policy Information1
- United States. Federal Railroad Administration1