Safety at Midblock Pedestrian Signals (2023) / Chapter Skim
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3 Literature Review A literature search was conducted using several search techniques and resources, among which the Transportation Research Information Services (TRIS) databases.
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4 Safety at Midblock Pedestrian Signals Crossing Treatment TCRP Project D-08/NCHRP Project 3-71 Other Studies Compliance -- Staged Pedestrian Crossing Compliance -- General Population Pedestrian Crossing Compliance -- Literature Review # of Sites Range (%) Average (%)
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Literature Review 5 Half-Signal Effectiveness Johnson (5) investigated the safety of half signals in Portland, OR, based on data collected from the city in a thesis for Portland State University.
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6 Safety at Midblock Pedestrian Signals locations and those PHBs at three- or four-leg intersections was found in the cross-sectional evaluation. • The cross-sectional evaluation showed no statistically significant difference between the lower-speed and higher-speed PHB sites (posted speeds at 35 mph or lower versus 40 mph or higher)
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Literature Review 7 Direct-Demand Models While vehicle volume is frequently available for a street, pedestrian volume is seldom available. Turner et al.
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8 Safety at Midblock Pedestrian Signals (200 m) of a census block with a minimum population density of 500 people per square mile.
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Literature Review 9 Variable A Base Model B
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10 Safety at Midblock Pedestrian Signals Pedestrian Volume Estimates Using Traffic Signal Data Two recent papers explore the use of pedestrian push-button data as the source for pedestrian exposure. One of the papers uses Arizona data (22)
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