Starting in 2014, the California Department of Transportation (Caltrans) will transition to a new performance-based standard for testing hot-mix asphalt (HMA). The new standard, expected to be implemented state-wide July 1, 2014, is called Superior Performing Asphalt Pavement, or “Superpave.” Superpave is the product of a $150 million research program that was established in 1987… Read more »
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