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Roadway noise increases with vehicle speed

October 22, 2011
By DAVE WERNER ( , Adirondack Daily Enterprise

"Noise" is defined as unpleasant sound. Roadway noise is the collective sound energy emanating from motor vehicles. In the US, it contributes more to environmental noise exposure than any other source, and consists of engine, tire, aerodynamic and braking elements. A significant factor contributing to roadway noise is the speed of the vehicles. Sound energy roughly doubles for each increment of 10 miles an hour in vehicle velocity.



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