In 2007, Pennsylvania coated an 800-foot crash-prone curve with high-friction surfacing; the site had no wet-road crashes for the next eight years
A sharp curve on Pennsylvania’s Route 611 had a persistent safety problem that conventional road signs and markings could not solve. When rain covered the pavement, drivers faced a combination of low surface friction and difficult road geometry, increasing the risk of skidding and leaving the roadway. In 2007, the Pennsylvania Department of Transportation (PennDOT) … Read more