Proven Safety Countermeasures - Safety EdgeSM

2011PDFBriefFHWA-SA-12-010Traffic safetyCountermeasuresEdge linesUnited StatesUnited States. Federal Highway Administration. Office of SafetyUnited States. Federal Highway Administration. Office of SafetySatterfield, CathyJulian, FrankWagner, ChrisFederal Highway AdministrationThe Safety EdgeSM is a proven technology that shapes the edge of a paved roadway at approximately 30 degrees from the pavement cross slope during the paving process. The Safety EdgeSM eliminates tire scrubbing, a phenomenon that contributes to losing control of a vehicle. It has been successfully constructed on both asphalt and concrete pavements. The Safety EdgeSM has minimal impact on project cost combined with the potential to improve pavement life.93