Operational impacts of platform doors in metros

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Title: Operational impacts of platform doors in metros
Authors: Barron, A
Canavan, S
Cohen, J
Anderson, R
Item Type: Journal Article
Abstract: Platform doors are increasingly installed by metros, primarily to improve safety. However, they have the potential for both positive and negative operational impacts, mostly by affecting dwell times at stations. Using data from the CoMET and Nova international metro benchmarking consortia of 33 metro systems, this paper seeks to understand and quantify these operational impacts. Overall, platform doors have a net negative impact on dwell times, leading to between 4 and 15 seconds of extra time per station stop. This is due to additional time for the larger doors to open and close slower passenger movements due to the additional distance between platforms and trains and, most importantly, extended departure delays after both sets of doors are closed caused by the need to ensure safety (that no one is trapped in the gap between the two sets of doors). This is a particular problem in mainland China, where metros conduct manual safety checks that require drivers to step out of trains onto platforms. However, despite longer dwell times, platform doors have a net positive impact on metro operations, largely due to the many safety benefits that also reduce delays and thereby improve service performance. There are also potential benefits regarding energy and ventilation. To mitigate the negative impacts, metros should seek to refine procedures and improve technology to reduce dwell time delays caused by platform doors. Reducing or eliminating these extra delays are essential to delivering efficient service and maximum capacity, provided that safety can be assured.
Issue Date: 1-Dec-2018
Date of Acceptance: 6-Feb-2018
URI: http://hdl.handle.net/10044/1/58895
DOI: https://doi.org/10.1177/0361198118784386
ISSN: 0361-1981
Publisher: SAGE
Start Page: 266
End Page: 274
Journal / Book Title: Transportation Research Record
Volume: 2672
Issue: 8
Copyright Statement: © 2018 Owner. The final, definitive version of this paper has been published in Barron, A., Canavan, S., Anderson, R., & Cohen, J. (2018). Operational Impacts of Platform Doors in Metros. Transportation Research Record, 2672(8), 266–274. https://doi.org/10.1177/0361198118784386 by Sage Publications Ltd. All rights reserved. It is available at: https://doi.org/10.1177/0361198118784386.
Keywords: Science & Technology
Technology
Engineering, Civil
Transportation
Transportation Science & Technology
Engineering
SCREEN DOORS
EXPOSURES
SIMULATION
MANGANESE
LONDON
0905 Civil Engineering
1205 Urban and Regional Planning
1507 Transportation and Freight Services
Logistics & Transportation
Publication Status: Published
Online Publication Date: 2018-06-30
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering



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