A more in-depth look at key issues facing the construction industry.
Caltrans and industry work to improve Section 39
By Mike Cook, Graniterock Director of Quality Services, and Co-Chair of the Caltrans Rock Products Committee
Over the past few years, Caltrans has worked on a major overhaul of the Section 39 specification for producing and placing hot mix asphalt on state roads.
@graniterockco
