Tag: American Society for Testing and Materials

Roadbuilding

Tri-State Asphalt first lab accredited by AASHTO for pavement preservation standards

The American Association of State Highway and Transportation Officials’ (AASHTO) has accredited Tri-State Asphalt for micro-surfacing and slurry pavement preservation mix design testing. The Morris, Illinois-based firm is the first in the U.S. to receive such accreditation for pavement preservation standards. “Tri-State built its foundation from two main principles: high quality products and superior customer […]

May 9, 2016

Roadbuilding

Road Science

Modifiers Control Mix Performance.

April 6, 2012