Digital Maps and Geospatial Data | Princeton University
District of Columbia Major Roads 2002
- Geographic Data Technology, Inc. (GDT)
- Environmental Systems Research Institute, Inc. (ESRI)
District of Columbia Major Roads represents interstate, U.S., and state highways and other major thoroughfares within District of Columbia.
- United States and District of Columbia
- 1999 and 2002
- Held by: