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SMOOTH ASPHALT SAVES FUEL: A number of studies have concluded that pavement roughness, not pavement type, is responsible for differences in fuel mileage. A 2000 study conducted at the Westrack Test Facility in Nevada concluded that trucks running on a smooth pavement could save 4.5% on fuel consumption. Smoothness also means that truck tires don’t bounce on the pavement and deliver the kind of impact loading they would on a rougher pavement. The Federal Highway Administration has published information that increasing pavement smoothness by 25 percent results in a 10% increase in the life of the pavement. Also, the Missouri DOT published a study of the results of their Smooth Roads Initiative. It indicates a 2.46 percent fuel saving on roads that have been smoothed out with an asphalt overlay. Asphalt Technical Resources Flash Drive "Asphalt Technical Resources Flash Drive " This inclusive Flash Drive includes guidelines for: Guideling for the Design and Use of Asphalt Pavement for Colorado Roadways ![]()
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