California Department of Transportation
Richmond San Rafael
Coronado Bridge Carquinez
San Francisco/Oakland Bay Bridge

District Materials Engineering and Testing Labs - Home Page

The District Materials Labs play a critical role in the delivery and quality assurance of Caltrans projects. Under the supervison of the District Materials Engineers, the twelve Caltrans District Labs provide on-site testing and engineering of project materials such as concrete, asphalt and steel to name just a few.

Click on the map below for a better view of the Caltrans districts:

The District Labs work closely with the
Materials Engineering and Testing Services (METS)
which is located at Caltrans'
Transportation Laboratory (TransLab) in Sacramento.