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David Evans and Associates, Inc., (DEA) holds a GSA contract that is valid through April 2021.

For more information about our qualifications, GSA services, or how to contract with us, visit our GSA page.


Featured DEA Project

Columbia River Crossing

DEA led the national consulting team that provided transportation planning, traffic highway and bridge engineering, and public involvement for the corridor study of Interstate 5 between Portland, Ore., and Vancouver, Wash.

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