Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments (2017) / Chapter Skim
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6C H A P T E R 2 The following sections summarize the available research for each of the eight pedestrian treatments initially considered for evaluation in this study. A more comprehensive literature review is provided in Appendix H
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Literature Review 7 Marked Crosswalks and Enhancements Marked crosswalks are typically installed at signalized intersections, in school zones, and at unsignalized intersections. The Manual on Uniform Traffic Control Devices (MUTCD)
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8 Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments Two of the studies reviewed reported crash reduction factors for installing high-visibility crosswalks. One reported a statistically significant reduction in collisions of 37 percent (30)
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Literature Review 9 by a pedestrian, triggering the warning flashing yellow lens on the major street. After a set amount of time, the traffic signal indication changes to a solid yellow light to inform drivers to prepare to stop.
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10 Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments In-Pavement Warning Lights In-pavement lighting, which is activated by pedestrian push buttons, is sometimes used to alert motorists to the presence of a crosswalk at uncontrolled locations. Both sides of the crosswalk are lined with encased raised pavement markers, which sometimes contain LED strobe lighting (see Figure 2-5)
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Literature Review 11 found that there was a 73-percent reduction in midblock pedestrian crashes, but a 136-percent increase in total crashes. It was noted that the decrease in safety related to vehicle-island crashes might be helped by better island design and lane alignment (50)
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12 Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments the crosswalk (51, 53, 54)
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