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Title:

A SAFETY EVALUATION OF CURRENT DESIGN CRITERIA FOR STOPPING SIGHT DISTANCE

Accession Number:

00221080

Record Type:

Component

Abstract:

A REVIEW IS PRESENTED OF THE CURRENT AASHO DESIGN STANDARDS AND AN EVALUATION OF THESE STANDARDS BASED ON EXISTING PRACTICES. THE EVALUATION CONSIDERED THE CRITERIA THAT WERE EMPLOYED IN DEVELOPING THE STANDARDS AND THAT INCLUDE DRIVER PERCEPTION-REACTION TIME, DESIGN FRICTION FACTORS, ASSUMED SPEEDS FOR DESIGN, DRIVER'S EYE HEIGHT, AND OBJECT HEIGHT. IN ADDITION, THE REPORT PROPOSES A NEW PHILOSOPHY FOR SIGHT DISTANCE DESIGN, A PHILOSOPHY THAT CONSIDERES THE VISUAL REQUIREMENTS FOR SAFETY DEPENDING ON OPERATIONAL CONDITIONS. /AUTHOR/

Supplemental Notes:

Paper sponsored by Committee on Operational Effects of Geometrics and presented at the 49th Annual Meeting. 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

Monograph Accession #:

01410251

Authors:

Glennon, John C

Discussers:

Loutzenheiser, D W

Pagination:

pp 33-54

Publication Date:

1970

Serial:

Highway Research Record

Issue Number: 312
Publisher: Highway Research Board

Media Type:

Print

Features:

Figures (14) ; References (19) ; Tables (10)

Identifier Terms:

Subject Areas:

Data and Information Technology; Design; Highways; Safety and Human Factors

Files:

TRIS, TRB

Created Date:

Oct 26 1970 12:00AM

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