Programs that work for you

"They are rigorous, they’re about making sure our labs, personnel, and test methods conform, that they’re in compliance. They’re independent, not driven by a vendor or a construction company.”

California Department of Transportation

Philip Stolarski, Former Deputy Division Chief, DES-METS & GS

55+	years of experience
3,000+ PSP participants
23,000+ samples shipped per year
1,000 laboratory assessments per year
2,000+ accredited labs

News

Notice of False Claims of Accreditation

Aug 18, 2023

The following has been added to our False Claims of Accreditation page. Please visit that page for a current list of any known false claims of AASHTO Accreditation.

August 18, 2023: 1836 Engineering in Fort Worth, Texas falsely claims the following information on its website: “With our AASHTO accredited laboratories, we can provide the following:” 1836 Engineering is not enrolled in any programs of AASHTO re:source and has no AASHTO Accredited laboratories.

If you believe a laboratory is falsely claiming AASHTO Accreditation, please contact Brian Johnson (bjohnson@aashtoresource.org or 240-436-4820).

To avoid unintentionally misstating your laboratory's accreditation status, review our Policy on Publicizing Your AASHTO Accreditation.