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VSIs Smooth the Road to Superpave

Published Thursday, January 01, 2004

In some instances, the trucks delivering crushed stone to the asphalt producers are the same trucks leaving potholes and ruts in the road. The problem, however, is not the trucks. It's inadequate roads, which led to Superpave, a higher-standard specification for road material. The Federal Highway Administration and American Association of State Highway Transportation Officials corroborate to create national standards requiring crushed stone with higher cubicity. The state DOTs conform to the best of their ability. In 1998, 37 states had adopted some standard for Superpave, and the push is for all 50. It's important for aggregate producers ...

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