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Title:

Accessible Pedestrian Signals at Complex Intersections: Effects on Blind Pedestrians

Accession Number:

01088381

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States
Order URL: http://www.trb.org/Main/Public/Blurbs/160572.aspx

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Order URL: http://worldcat.org/isbn/9780309126021

Abstract:

Pedestrians with vision impairments often have to cross streets at unfamiliar signalized intersections. The results are reported of research on crossings by blind pedestrians at complex intersections before and after the installation of accessible pedestrian signals (APS) and again following the installation of innovative device features. Objective data on measures of street crossing performance by 56 participants were obtained at four intersections, two each in Charlotte, North Carolina, and Portland, Oregon. The analysis includes broad measures of crossing timing, wayfinding, and independence. After APS installation, delay in starting to cross was reduced by approximately 2 s, and there was significant improvement in independently determining a safe time to cross, beginning to cross during the “Walk” signal, and completing crossings before the onset of perpendicular traffic. Some measures of wayfinding and related measures of independence also improved in Portland. Additional device features introduced after the first postinstallation testing session led to additional improvements in wayfinding during a second postinstallation test in Charlotte.

Monograph Title:

Pedestrians 2008

Monograph Accession #:

01116576

Language:

English

Authors:

Scott, Alan C
Barlow, Janet M
Bentzen, Billie Louise
Bond, Tamara L Y
Gubbe, Douglas

Pagination:

pp 94-103

Publication Date:

2008

Serial:

Transportation Research Record: Journal of the Transportation Research Board

Issue Number: 2073
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

9780309126021

Media Type:

Print

Features:

Figures (1) ; Photos (2) ; References (18) ; Tables (2)

Uncontrolled Terms:

Accessible pedestrian signals

Subject Areas:

Highways; Operations and Traffic Management; Pedestrians and Bicyclists; Safety and Human Factors; I73: Traffic Control; I83: Accidents and the Human Factor

Files:

TRIS, TRB, ATRI

Created Date:

Jan 29 2008 4:53PM

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