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High Friction Surface Treatment Gets Gripping Results in Pennsylvania
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2024-11-01
[PDF-1.87 MB]
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Abstract:For years, Route 611 in Northampton County, Pennsylvania had multiple severe crashes, especially on curves. That changed in 2007 when the Pennsylvania Department of Transportation (PennDOT) tried a new technology called high friction surface treatment (HFST). It was a new aggregate, calcined bauxite, applied over an epoxy base poured and spread on existing pavement. The aggregate was supposed to give drivers more friction on the pavement to prevent skidding.
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