WCAT was established through partnership between Washington State Department of Transportation (WSDOT), the Washington Asphalt Paving Association (WAPA), and Washington State University (WSU). The National Science Foundation (NSF) has also contributed by funding the acquisition of a material testing system (NSIT0085081). The collective investment to-date amounts to over $750,000. WCAT is accredited by the American Association of State Highway and Transportation Officials (AASHTO) under the Materials Reference Laboratory (MRL) Program.The WCAT facilities are housed in Sloan Hall, home of the Civil and Environmental Engineering department on the Pullman Campus. They occupy rooms B15, B17, B19 and B20.