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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.

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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