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.
DEA provided designs to replace two aging Interstate 84 bridges for the Oregon Department of Transportation in Troutdale, Oregon.
DEA provided complete multidisciplinary services for this Mt. Hood National Forest trailhead relocation project.
DEA is providing project management and civil, structural, and traffic engineering services for the development of a two way cycle track through Portland from SW Harrison Street to the Steele Bridge.
Long considered one of the most hazardous stretches of highway in Colorado, the design-build project included more than $100 million in improvements to improve highway capacity, operations, and safety