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

Accessing Standards

AASHTO Accreditation requires legally accessed standards, either hardcopy or electronic. 

AASHTO standards can be purchased through the AASHTO Store.  AASHTO provides accredited laboratories with an exclusive discount code to purchase the Materials Standards at the discounted AASHTO member price. For more information on this exclusive discount, AASHTO Accredited laboratories may contact Kimberly Swanson, Communications Manager, AASHTO re:source, via email at

ASTM International standards can be purchased through their Standards & Publications

For more information on how to purchase, download, and use electronic versions of standards, please visit the retailer directly.