An official website of the State of Oregon
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Oregon's State Implementation Plan considers emission reductions needed in specific geographic areas and includes the following testing requirements for the Portland and Medford metro-areas:
Vehicles required to test in Portland
Vehicles required to test in Medford
Portland and Medford Testing Exemptions
Other Portland and Medford Testing Information
For information about DMV registration and DEQ testing requirements, see page for Vehicles New to Oregon and Vehicles Temporarily Located Outside of Oregon.
For questions or feedback on the Vehicle Inspection Program, visit our Questions and Comments page, or call one of our area contact numbers below:
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