Safest Placement for Crosswalks at Intersections

Hurwitz, David; Chai, Eileen; Jashami, Hisham; Monsere, Christopher M.; Kothuri, Sirisha; Appiah, Frank Boateng; Oregon State University; Portland State University

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Safest Placement for Crosswalks at Intersections

2023-06-01
By Hurwitz, David ; Chai, Eileen ; Jashami, Hisham ; ...

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English

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Creators:

Hurwitz, David ; Chai, Eileen ; Jashami, Hisham ; Monsere, Christopher M. ; Kothuri, Sirisha ; ... More +

Hurwitz, David ; Chai, Eileen ; Jashami, Hisham ; Monsere, Christopher M. ; Kothuri, Sirisha ; Appiah, Frank Boateng Less -
Corporate Creators:

Oregon State University ; Portland State University

Oregon State University ; Portland State University Less -
Corporate Contributors:

Oregon. Dept. of Transportation. Research Section ; United States. Department of Transportation. Federal Highway Administration

Oregon. Dept. of Transportation. Research Section ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Crosswalks Design Intersections Location Offset Intersections Pedestrian Safety
Publication/ Report Number:

FHWA-OR-RD-23-10
Resource Type:

Tech Report
Geographical Coverage:

Oregon ; United States

Oregon ; United States Less -
Edition:

Final Report
Corporate Publisher:

Oregon. Dept. of Transportation. Research Section
Abstract:

This research studied the relationship between crosswalk setback and intersection safety. The study included field-based and driving simulator experiments. Video data was collected at 10 crosswalks in Oregon to examine the frequency pedestrian-vehicle conflicts (measured using PET), including how these conflicts vary between corner and setback crosswalks. A total of 507 pedestrians and 47 conflicts with post-encroachment times of less than 5 seconds were observed. The 50 participants driving simulator experiment was used to determine how setback distances, curb radii, and presence of pedestrians affect driver stopping decision and position, speed choice, visual attention, and level of stress. Observations of drivers’ speed in a similar scenario were taken from field and simulator data to enhance the evidence provided by each experiment. Stop line speeds were found to be consistent between experiments and turning speeds were found to be slightly higher in the driving simulator experiment. The study results suggest that curb radius should be smaller to control driver speed. Additionally, setback distance of the crosswalk of 20ft is a suitable upper bound when reconstructing intersections.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:d79fe94b022acb2883edd736a9f69b2361939aa634598cdda364d566eb57de4e
Download URL:

https://rosap.ntl.bts.gov/view/dot/67861/dot_67861_DS1.pdf
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Safest Placement for Crosswalks at Intersections

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