Interstate 80 Gilman Street Interchange Project


As part of Parsons’ team, WRECO was involved in the Alameda County Transportation Commission’s Interstate (I-) 80 Gilman Street Interchange Project. The project identified access, safety, and operational improvements for traffic, pedestrian, and bicycle operations at the I-80/Gilman Street interchange in the City of Berkeley. WRECO was responsible for the Drainage Impact Study, Stormwater Data Report, Location Hydraulic Study, Water Quality Assessment Report, and Natural Environment Study during the environmental phase. For the design phase, WRECO prepared the Drainage Report, Stormwater Data Report, and drainage, stormwater treatment, and trash capture plans, specifications, and estimate (PS&E). We are proud to have assisted in this important project for the community.

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