WRI proudly hosts the American Association of State Highway and Transportation Officials (AASHTO) Accreditation for Asphalt Binders. Per the certificate, WRI has demonstrated proficiency for testing of construction materials and has conformed to the minimum requirements established in AASHTO R 18 set forth by the AASHTO Highway Subcommittee on Materials (HSOM). The scope of accreditation can be viewed on the AAP Directory of Accredited Laboratories on www.amrl.net.

Western Research Institute
3474 N. 3rd Street
Laramie, WY 82072

(307) 721-2011
(888) 463-6974 or (888) Info-WRI

You can contact WRI directly by phone (8 a.m. – 5 p.m. MST, Monday-Friday) at the numbers above.
Also, you are welcome to contact the appropriate WRI representative directly.

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