Abstract
The Michigan Department of Transportation contracted with Michigan State University to evaluate the performance of highway paint-line material. Several types of pavement-marking materials were studied under a variety of conditions. The project’s goal is to help develop guidelines governing the cost-effective use of pavement-marking materials. Preliminary results indicate that retroreflectivity levels of paint lines did not vary as a function of material; pavement surface had little effect on lane-marking performance; and snowplowing and sanding appeared to be the main factors affecting the decay of lane line retroreflectivity.
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