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Journal Article

Citation

D'Souza C, Paquet V, Lenker JA, Steinfeld E. Appl. Ergon. 2017; 62: 94-106.

Affiliation

Center for Inclusive Design and Environmental Access, University at Buffalo, NY, United States; School of Architecture and Planning, University at Buffalo, Buffalo, NY, United States.

Copyright

(Copyright © 2017, Elsevier Publishing)

DOI

10.1016/j.apergo.2017.02.008

PMID

28411744

Abstract

The emergence of low-floor bus designs and related regulatory standards in the U.S. have resulted in substantial improvements in public transit accessibility. However, passengers using wheeled mobility devices still experience safety concerns and inefficiencies in boarding, disembarking, and interior circulation on low-floor buses. This study investigates effects of low-floor bus interior configuration and passenger crowding on boarding and disembarking efficiency and safety. Users of manual wheelchairs (n = 18), powered wheelchairs (n = 21) and electric scooters (n = 9) simulated boarding and disembarking in three interior layout configurations at low and high passenger crowding conditions on a full-scale laboratory mock-up of a low-floor bus. Dependent measures comprised task times and critical incidents during access ramp use, fare payment, and movement to and from the doorway and wheeled mobility securement area. Individual times for unassisted boarding ranged from 15.2 to 245.3 s and for disembarking ranged from 9.1 to 164.6 s across layout and passenger crowding conditions. Nonparametric analysis of variance showed significant differences and interactions across vehicle design conditions, passenger load and mobility device type on user performance. The configuration having electronic on-board fare payment, rear-bus entrance doorways and adjacent device securement areas demonstrated greatest efficiency and safety. High passenger load adversely impacted efficiency and frequency of critical incidents during on-board circulation across all three layouts.

FINDINGS have broader implications for improving transit system efficiency and quality of service across the spectrum of transit users.

Copyright © 2017 Elsevier Ltd. All rights reserved.


Language: en

Keywords

Accessibility; Low-floor bus; Public transportation; Usability; Wheelchairs

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