"Washington State Department of Transportation (WSDOT) responded to citizen complaints about expansion joint noise on the new Tacoma Narrows Bridge (TNB) by installing new wall coated in noise absorptive materials. The goal of the project was to reduce low frequency noise from the bridge. The report highlights the collaborative process used to develop the project design, the methodology used to evaluate the project’s performance, and the project results. Lessons learned include suggestions for improving acoustic performance evaluation."
The research on noise created by the tire/pavement interface, while relatively new, has seen considerable interest over the past few years because of ...
In recent years the Ohio Department of Transportation (ODOT) has reconstructed a number of roadways where asphalt pavements were replaced with random ...
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United States Department of Transportation
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