CCRL (The Cement and Concrete Reference Laboratory)
AASHTO Technology Implementation Group
NTPEP (National Transportation Product Evaluation Program)
APEL (AASHTO Product Evaluation Listing)
TRB (Transportation Research Board)
LTPP InfoPaveTM (Long-Term Pavement Performance)
New Web Search Tool
The following link contains a new Google search engine that searches only the State DOT web sites across the country. Use it to more easily find information on your state counterparts’ web sites!