ACTC I-80 (SR13) / Ashby Interchange

Berkeley, California Noise study report of the impacts at noise sensitive uses near the project, including residences, a school, and public parks.

I-880 North Safety Improvements

Oakland, California Computer models of future traffic/lane alignment, identification of noise sensitive receivers (including a nearby school), as well as potential construction noise.

SR 84 Expressway

Livermore, California Long-term noise surveys, modeling of existing roadway/proposed alternatives, traffic noise impacts on residences, and effectiveness of existing noise barriers.

Doyle Drive Reconstruction

San Francisco, California Groundborne vibration analysis and measurements during reconstruction. Measurements made of existing vibration levels near adjacent historic buildings.

Sister Cities Blvd. Noise Study

S. San Francisco, California Sound measurements, traffic noise modeling and analysis to determine the need for a westward extension of the existing sound wall.