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Recommendations Report for High Friction Surface Treatments: Candidate Sites, Materials, and Construction
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2020-07-01
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[PDF-1.44 MB]
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Abstract:High friction surface treatment (HFST) is a safety-first pavement treatment intended to restore and maintain pavement friction to reduce crashes. The cost of HFST is high compared to typical maintenance treatments; however, HFST is highly effective at reducing wet-weather and run-off road crashes. Improvement in the state of the practice can promote more widespread deployment resulting in more crash reductions and a longer lasting safety countermeasure. This document provides recommendations on the identification of candidate sites, materials selection, and proper construction practices. Much of this guidance is derived from two documents: “High Friction Surface Treatment Curve Selection and Installation Guide,” by Atkinson et. al. in 2016, funded by the Federal Highway Administration (FHWA); and “High-Friction Surface Treatment Guidelines: Project Selection, Materials, and Construction” by Wilson and Holzschuher in 2016, funded by Florida Department of Transportation (FDOT) and FHWA. Relevant recommendations from the recently completed Long-Term Performance Monitoring Study were also incorporated into this document.
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