Update of Vehicle Classification for County Road Pavement Design Status: CompleteReport Date: 04/23/2010 Summary: Researchers conducted vehicle classification counts in 15 counties across the state. They discovered that the proportion of heavy trucks on the County State Aid Highway system is at least twice as high as the counts found in the latest Pavement Design Manual. Final Deliverables: Update of Vehicle Classification for County Road Pavement Design (Report #2010-17) Update of Vehicle Classification for County Road Pavement Design (Research Summary) Related Materials: Related Research: