The practices and methods listed were compiled from information found on the DOT’s website or from a document or documents on their website. AASHTO standard specifications begin with an “M,” practices ...

The ACE Auto-Grade Laboratory is a fully self-contained gradation lab designed to automate AASHTO T11 & T27 ASTM C117 & C136 aggregate testing. The ACE Auto-Grade Laboratory is a fully self-contained ...

The Michigan Department of Transportation failed to provide documentation showing proper inspections of aggregates and aggregate suppliers used in road construction projects, according to an audit ...