Dec 11, 2020
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.
Dec 15, 2016
DEA provided engineering design services for the expansion of the Santiago Creek Regional Bike Trail, including a paved ten-foot wide trail spanning the length of 3 miles parallel to Santiago Creek
Nov 29, 2016
The SR 520 Eastside Transit and HOV project was a three-mile-long roadway improvement project designed to reduce transit and high occupancy vehicle (HOV) travel times. DEA led portions of the roadway, structures, and drainage design, and also provided survey, traffic control design, and utility design services.