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As SafetyEdge℠ implementations across the nation advance, success stories of cost- and time-effectiveness shared with agencies considering the treatment can help address challenges or issues. The articles below capture the real-world process of implementing SafetyEdge℠ and improving safety....
More than forty (40) DOTs have made SafetyEdge℠ a standard practice by incorporating its use into policies and practices. The policies and practices below provide examples for how agencies are advancing the implementation of SafetyEdge℠.
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During conventional paving processes, pavement is...
Roadway departures account for over half of all fatal crashes, some of which could have been prevented if a vertical pavement edge drop-off had not been present. Drop-offs occur when there are height differences between a paved road and the adjacent graded material. Conventional paving...
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Horizontal curves are those that change the alignment or direction of the road (as opposed to vertical curves, which change the slope). More than 25 percent of fatal crashes are associated with a horizontal curve, and the vast majority of these crashes are roadway departures. The average crash...
Roadway departure (RwD) is one of three safety focus areas (along with intersection and pedestrian/bicyclist crashes) with the greatest potential to reduce highway fatalities when using infrastructure-oriented improvements. FHWA’s ...