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
PSP participants
samples shipped per year
laboratory assessments per year
accredited labs


New Test Methods Added

Nov 16, 2020

AASHTO re:source is now offering assessments and AASHTO Accreditation for the following test methods:

  • AASHTO T 103, Standard Method of Test for Soundness of Aggregates by Freezing and Thawing
  • AASHTO T 340, Standard Method of Test for Determining Rutting Susceptibility of Hot Mix Asphalt (HMA) Using the Asphalt Pavement Analyzer (APA)
  • ASTM D8159, Standard Test Method for Automated Extraction of Asphalt Binder from Asphalt Mixtures

Laboratories can sign up for these test methods on our website as part of their next laboratory assessment.

If you would like us to add other standards to our scopes, feel free to mention them when submitting feedback, or email your request to our Quality Manager.