State highway agencies throughout the United States use smoothness specifications to ensure they are providing the public with quality roads. Some state highway agencies even provide monetary incentives to contractors for building smoother roads. The effectiveness of such incentive policies, though...

In this research the feasibility of using the Georgia Loaded-Wheel Tester (GLWT) to predict rutting in the laboratory was investigated. The study consisted of modifying the GLWT to handle 15.2 cm (6-in.) cores, obtaining asphalt pavement cores from several test sites throughout Wyoming, collecting rut...