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SW Corridor Light Rail

SW Corridor Light Rail

DEA is providing transit design services to support the Project Development phase of TriMet’s 12-mile Light Rail extension from downtown Portland to Tualatin.

SW 124th Avenue Extension

SW 124th Avenue Extension

DEA led team provided planning, environmental, and engineering expertise to develop and screen alternatives for a new arterial road for Washington County from Tualatin-Sherwood Road to Tonquin Road, and east to connect with Grahams Ferry Road.

I-84 Graham Road Bridges

I-84 Graham Road Bridges

DEA provided designs to replace two aging Interstate 84 bridges for the Oregon Department of Transportation in Troutdale, Oregon.