United States Department of Transportation
i
Driver Compliance With Pedestrian Crossings at Non-Signalized Intersections
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2022-09-01
[PDF-5.15 MB]
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Edition:Interim Report
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Abstract:The objective of this project is to determine how driver yielding compliance is affected by various combinations of low-cost crossing treatments and signage configurations. MUTCD provides guidance on pedestrian signs, beacons, pavement markings, for example, but guidance provided by the MUTCD regarding types of signs and particularly mounting locations for pedestrian crossing signs at non-signalized intersections is sparse. Specifications for mounting locations of warning signs and regulators signs leave lots of opportunity for engineering judgement. This study was as first step in defining the understanding the types of baseline yielding rates at four pedestrian crossing types and to understanding the impact of combination of signage type and crossing type have on driver yielding. When assuming no interaction between the R1-6 sign and crossing type, the effect of the sign is an +8% improvement on yielding compliance. When assuming interaction, the effect of the R1-6 sign depends on the crossing type. For concrete refuge islands, probability of yielding goes up by +50% ,which is 4x with the R1-6 sign. For flexpost islands, the sign improves yielding probability by an additional +4%, which doubles the probability. And at marked crosswalks, again compliance doubles by adding 3% to compliance probability with the sign. This study also found that high levels of pedestrian activity positively impact rates, and that high vehicle activity negatively impacted driver yielding rates at unmarked crosswalks.
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