ACCIDENT ANALYSIS - TELEGRAPH ROAD 1947 - 1948
AN ACCIDENT ANALYSIS WAS CONDUCTED TO MEASURE THE RELATIONSHIP OR ASSOCIATION THAT EXISTS BETWEEN ACCIDENTS AND HIGHWAY DESIGN AND ROADSIDE FEATURES. A 70-MILE STRIP OF ROAD CALLED TELEGRAPH ROAD WAS SELECTED FOR THE ANALYSIS. STATISTICAL ANALYSIS OF THE DATA OBTAINED WERE PROCEEDED BY TWO METHODS. ONE TABULATED FREQUENCY DISTRIBUTIONS OF ACCIDENTS BY DISTANCE OF OCCURENCE FROM EACH SPECIFIC FEATURE. FROM THESE DISTRIBUTIONS CUMULATIVE PERCENTAGES WITHIN VARIOUS DISTANCES AND RATE CURVES WERE COMPUTED. THE OTHER APPROACH CALCULATED CORRELATION COEFFICIENTS BETWEEN THE NUMBER OF ACCIDENTS AND THE NUMBER OF VARIOUS ROADSIDE AND DESIGN FEATURES. A DETAILED ANALYSIS IS PRESENTED OF CONCLUSIONS OBTAINED FROM THE TWO STATISTICAL TECHNIQUES EMPOYED. INTERSECTIONS LEAD ALL OTHER FEATURES WITH 55% OF THE ACCIDENTS OCCURRING AT THE FEATURE AND BY THE CRITERION OF THE CUMULATIVE PERCENTAGE INTERSECTIONS ARE DEFINITELY THE MOST HAZARDOUS FEATURE IN THE STUDY. GAS STATIONS ARE NEXT WITH 38% OF THE ACCIDENTS OCCURRING AT ZERO DISTANCE AND THE DISTRIBUTION PATTERN IS SIMILAR TO THAT FOR INTERSECTIONS.
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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
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Authors:
- McMonagle, J Carl
- Publication Date: 1951
Media Info
- Media Type: Print
- Features: Figures; Tables;
- Pagination: pp 29-41
- Monograph Title: Progress in roadside protection
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Serial:
- Highway Research Board Bulletin
- Issue Number: 30
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Crash analysis; Distance; Frequency distributions; Highway design; Intersections; Roadside; Service stations; Statistical analysis; Traffic crashes
- Subject Areas: Data and Information Technology; Highways; Safety and Human Factors;
Filing Info
- Accession Number: 00220327
- Record Type: Publication
- Files: TRIS, TRB, ATRI
- Created Date: Aug 3 1970 12:00AM