USDOT recognizes PennDOT as ‘model’ for highway project innovation
Warm-Mix and Recycled asphalt a cost-saving combo that should be used whenever possible
What's behind foamed asphalt's steep growth trajectory?
NAPA/FHWA survey finds increased use of warm-mix asphalt, recycled asphalt
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Road Science Tutorial:  Many paths to low-energy asphalt mixes
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