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State and Local Transportation Resources

Transportation Conformity

This section provides access to information on EPA's transportation conformity program. Transportation conformity is a Clean Air Act requirement that serves as a bridge to connect air quality and transportation planning activities. Use the links below to access relevant rulemakings, policy, technical guidance, reports, and general information about the conformity program.

  • General Information
  • Conformity Information for 2008 Ozone NAAQS Nonattainment Areas
  • Policy and Technical Guidance
  • Project-level Conformity
  • Training and Presentations
  • Regulations
  • Adequacy Review of SIP Submissions
  • Regional Contacts

For more information, contact Astrid Larsen at 734-214-4812 or larsen.astrid@epa.gov.

This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
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