International Grooving & Grinding Association (IGGA) Concrete Impressions

APRIL 2013

Caltrans Creates New Specification for Construction of Quiet Bridge Deck Surfaces

Noise from bridges is an ongoing problem along U.S. highway systems, and efforts at noise mitigation can be costly as well as time-consuming. For example, sound walls, which work by interrupting the pathway between a noise source and the receiver, are often constructed along bridges that are close to residential neighborhoods. Most states use sound walls; with approximately 400 miles of sound walls along its highways, California has the most in the U.S.

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