Transportation

Transit

DEA’s seasoned project leaders meet the challenge of complex transit planning projects by providing the full range of planning, conceptual design, environmental and public involvement skills. Our transit team has led complex New Start projects through all phases of development, from advance planning efforts through the NEPA environmental analysis and review process, into preliminary and final engineering, and through construction and start-up of revenue service.

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Featured DEA Project

Airport MAX

The 5.5-mile light rail extension added four new station platforms to the route, a new 500-foot bridge over Interstate 205, and a new pedestrian bridge.

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Featured DEA Project

Sea-Tac Bagwell 3D Laser Scanning/Modeling

DEA used a combination of state-of-the-art, high-accuracy laser scanning and conventional surveying methods to create 3-D models and 2-D composite drawings charting the placement and route of all pipes and tubes with at least a one-inch diameter.

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