The Warm Mix Asphalt Technical Working Group (WMA TWG) is led by individuals in the public and private sectors who are committed to the development of Warm Mix Asphalt in the United States. Experts from the National Asphalt Pavement Association (NAPA), State Departments of Transportation (DOTs), Federal Highway Administration (FHWA), National Center for Asphalt Technology (NCAT), American Association of State Highway and Transportation Officials (AASHTO), and many others meet regularly to discuss issues and share knowledge for the advancement of Warm Mix Asphalt.

For more information on these organizations, visit the following websites:

National Asphalt Pavement Association

Departments of Transportation

Federal Highway Administration

National Center for Asphalt Technology

American Association of State Highway and Transportation Officials

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