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Title: EMERGENCY OPENING SYSTEM FOR AUTHORIZED VEHICLE LANES
Accession Number: 00457492
Record Type: Component
Availability: Find a library where document is available Abstract: An emergency opening system (EOS) for an authorized vehicle lane was developed and crash tested. The design consisted of two steel box tubes mounted on top of each other. The beams were supported by pins at the ends connected to modified concrete median barrier sections. Factors considered in the development of the system were ease of operation and ability to redirect errant vehicles. Three full-scale crash tests were conducted to evaluate the impact behavior of the design. All the occupant risk values as well as the vehicle trajectory hazard were below recommended values for all the crash tests. In addition, the EOS was still operational after the first two tests. In the third test, the anchorage system for the downstream concrete median barrier failed; however, damage to the EOS was slight.
Supplemental Notes: Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
Publication of this paper sponsored by Committee on Safety Appurtenances.
Monograph Title: Monograph Accession #: 01419403
Authors: Morgan, James RStrybos, John WRoss Jr, Hayes EDarden III, James GEditors: Kassabian, NaomiPagination: pp 60-66
Publication Date: 1985
Serial: ISBN: 0309039134
Media Type: Print
Features: Figures
(14)
; Photos
(25)
; References
(5)
; Tables
(1)
TRT Terms: Old TRIS Terms: Subject Areas: Design; Highways; Planning and Forecasting; Research; Safety and Human Factors; I21: Planning of Transport Infrastructure
Files: TRIS, TRB
Created Date: Aug 31 1986 12:00AM
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