Creating a highway information system for safety roadway features.
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2015-12-01
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Abstract:Roadway departures are the leading cause of roadside fatalities. The Kentucky Transportation Cabinet (KYTC) has
undertaken a number of roadside safety measures to reduce roadway departures. Specifically, KYTC has installed
several low-cost, systemic roadway safety treatments to Kentucky’s roadways in recent years. These treatments include
cable barriers, high friction surface treatments, rumble stripes, and Safety Edges. KYTC has installed approximately 44
cable barrier systems over 265 miles of roadway,112 HFST applications over 20 miles of roadway, 750 rumble stripe
installations over 2,500 miles of roadway, and 147 Safety Edge treatments on 580 miles of roadway. The project team
developed a complete inventory for safety measure installations, including their locations and select characteristics. This
information was collected through interviews, KYTC databases, KYTC contract proposals, KTC studies, and onsite
assessments. These data served as inputs into KYTC’s statewide highway model. ArcMap was used to reference
locations of the inventoried safety treatments. All safety measure installations were compiled into a comprehensive
Excel database. The database is a tool that will allow policy makers and transportation agencies to evaluate the
effectiveness, cost, and benefits of roadway safety treatments.
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