Skip to content U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration
Office of Planning, Environment, & Realty (HEP)

Census Urbanized Areas and MPO/TMA Designation

FAQ Topics

  1. Definitions
  2. 2010 Urban Area Delineation
  3. New MPOs
  4. Existing MPOs
  5. New TMAs
  6. Funding
  7. Making Adjustments to UZA Boundaries and Implications for Federal Transportation Programs

To learn more about Urban Boundaries, their relation to Highway Functional Classification and procedures for adjusting the urban area boundaries for transportation planning purposes please reference the Urban Boundaries section of our Highway Functional Classification Concepts, Criteria and Procedures document.

Updated: 10/17/2013
HEP Home Planning Environment Real Estate
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000

All Federal Highway Administration (FHWA) information technology systems will be unavailable, Friday, December 2, at 10:00 p.m. to Sunday, December 04, at 11:59 p.m., EDT, while work is being performed on the network. During that time, users will not be able to access any FHWA systems.

If you have any questions or problems, please contact the 5-Help Service Center @ (866) 466-5221 or