Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments (2017) / Chapter Skim
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72 A P P E N D I X C The analysis approach for NCHRP Project 17-56 required the collection of pedestrian volumes at all study sites. Before beginning the counting effort, the team recognized that there were certain questions which needed to be answered: 1.
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Analysis of Charlotte Pedestrian Volumes to Determine Pedestrian Counting Procedure for NCHRP Project 17-56 73 1-Hour vs. 2-Hour Counts The second question pertained to the duration of pedestrian counting that would be needed.
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74 Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments for any intersection as well as the counts by specific times of the day (e.g., 4:00 to 5:00)
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Analysis of Charlotte Pedestrian Volumes to Determine Pedestrian Counting Procedure for NCHRP Project 17-56 75 Percentage of Daily Count Observed from 1-Hr Count Percentage of Daily Count Observed from 2-Hr Count All sites 8% 18% Low volume sites (1-20 peds/day) 6% 13% Med volume sites (21-50 peds/day)
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76 Development of Crash Modification Factors for Uncontrolled Pedestrian Crossing Treatments of counting for low volume and medium volume sites were still only slightly more than double the 1-hour yield (e.g., 6% vs.
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