This appendix contains short descriptions of different certification programs related to materials sampling and testing that were referenced in the literature review. The programs are listed in ...

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 ...

Over 500 million tons of HMA are placed in the United States each year so it's important that the material be properly sampled and tested during construction to ensure satisfactory performance. When ...

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 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 ...

This article discusses reduced sampling and testing of starting materials or components. Different strategies are presented to reduce the workload at the steps from sampling to release. Viewpoints ...

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 ...