0.35% of road length experiencing HREs, with a cumulative length of 714 miles, show a negative trend.
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Rainfall-induced hydroplaning risk over road infrastructure of the continental USA.
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The sentences
About 22% of road sections experiencing HpR exhibit an increasing trend in the annual occurrence of HP events with time, indicating a riskier future ahead.
Over 33,887 miles of road sections (~5.3% of all road section within the CONUS and ~17% by length of the road sections experiencing HREs) show a positive trend of HREs.