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Title:

ACTIVE ADVANCE WARNING SIGNS AT HIGH-SPEED SIGNALIZED INTERSECTIONS: A SURVEY OF PRACTICE (ABRIDGMENT)

Accession Number:

00452653

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/isbn/0309038227

Abstract:

A synthesis of current traffic engineering practice relative to accident countermeasures at high-speed signalized intersections is presented. The synthesis was prepared by using two main sources of information: a review of published and unpublished literature, and results of a questionnaire survey sent to practicing traffic engineers. Sixty-five state and local agency traffic engineers from all regions of the United States and Canada responded to the questionnaire. Physical environments known to cause problems at high-speed signalized intersections are described. The three most commonly used types of active advance warning devices are discussed along with quantitative and qualitative assessments of their effectiveness. The three types of devices are flashing RED SIGNAL AHEAD signs, PREPARE TO STOP WHEN FLASHING signs, and flashing strobe lights. Active devices are usually installed only as a last resort where conventional countermeasures have not proved to be effective. Although specific situations in which each type of device has been effective or in which its use should be avoided were identified, there is a need for guidelines to define the use, design, installation, and timing of active warning devices.

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 Traffic Control Devices.

Monograph Accession #:

01419893

Authors:

Eck, Ronald W
Sabra, Ziad A

Editors:

Herman, Scott C

Pagination:

pp 62-64

Publication Date:

1985

Serial:

Transportation Research Record

Issue Number: 1010
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309038227

Media Type:

Print

Features:

References (6)

Old TRIS Terms:

Subject Areas:

Highways; Operations and Traffic Management; Safety and Human Factors; I73: Traffic Control

Files:

TRIS, TRB

Created Date:

Aug 27 2004 9:59PM

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