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This chapter addresses the common practices and test methods (standards) that are used for certification programs for the basic material categories of soils and aggregate, asphalt mixture, and ...

Checklists can be obtained by emailing Lisa Cody. Please specify which checklist you would like to receive in your email. Find information on American Association of State Highway and Transportation ...

The WRSC has an extensive inventory of aggregate preparation and testing equipment and facilities. Approximately 1,000 square feet of existing laboratory space is devoted to aggregate/soil preparation ...

Certain aspects of quality control testing hasn't changed all that much over the decades. While it is necessary and extremely important, when working with various Departments of Transportation (DOT) ...

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 ...