United States Department of Transportation
i
Safety evaluation of increasing retroreflectivity of STOP signs
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2008-03-01
[PDF-784.83 KB]
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NTL Classification:NTL-OPERATIONS AND TRAFFIC CONTROLS-OPERATIONS AND TRAFFIC CONTROLS;NTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Control Devices;NTL-SAFETY AND SECURITY-Highway Safety;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;
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Abstract:The Federal Highway Administration (FHWA) organized 26 States
to participate in the FHWA Low-Cost Safety Improvements Pooled
Fund Study to evaluate low-cost safety strategies as part of its
strategic highway safety plan support effort. The purpose of
the study is to evaluate the safety effectiveness of several lowcost
safety improvement strategies through scientifically rigorous
crash-based studies. STOP signs with higher retroreflectivity
strategy was one of the strategies evaluated for this study. This
strategy is intended to reduce the frequency of crashes related to
driver unawareness of stop control at unsignalized intersections.
The safety effectiveness of this strategy had not been thoroughly
documented previously; therefore, this study is an attempt to provide
an evaluation through scientifically rigorous procedures.
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