TWO-WIRE EMERGENCY CALL SYSTEM
THE RESULTS OF THE INSTALLATION AND USAGE TESTS OF THE 2-WIRE EMERGENCY CALL SYSTEM DO NOT INDICATE ANY SIGNIFICANT ADVANTAGES OF THAT SYSTEM OVER OTHER TYPES OF CALL SYSTEMS. BEFORE-INSTALLATION AND AFTER-INSTALLATION FIELD SURVEYS WERE CONDUCTED TO DETERMINE THE NUMBER OF MOTORISTS NEEDING AID ALONG THE ROADWAY AND THE TYPE OF PROBLEMS THEY HAD. DETAILS OF SERVICING TIMES FOR THE STOPPED MOTORISTS ALSO WERE COLLECTED. RECORDS WERE MAINTAINED FOR SYSTEM INSTALLATION AND MAINTENANCE COSTS. THE SUMMARIES OF THE FIELD SURVEY AND SYSTEM COSTS ARE INCLUDED IN THE REPORT. COSTS FOR 2 OTHER TYPES OF SYSTEMS (TELEPHONE AND CALL BOX) USED IN OTHER STATES ARE INCLUDED FOR COMPARISON.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/isbn/0309021820
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Supplemental Notes:
- Publication of this paper sponsored by Committee on Communications. 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:
- Reilly, Eugene F
- Hollinger, Richard L
- Santacroce, Joseph
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Conference:
- 52nd Annual Meeting of the Highway Research Board
- Location: Washington District of Columbia, United States
- Date: 1973-1-22 to 1973-1-26
- Publication Date: 1973
Media Info
- Media Type: Digital/other
- Features: Figures; References; Tables;
- Pagination: pp 1-12
- Monograph Title: Motorist communications and services
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Serial:
- Highway Research Record
- Issue Number: 450
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Building; Call boxes (Driver aid devices); Costs; Disasters and emergency operations; Facilities; Hazards and emergency operations; Installation; Maintenance management
- Uncontrolled Terms: Maintenance costs
- Subject Areas: Construction; Finance; Highways; Maintenance and Preservation; Operations and Traffic Management;
Filing Info
- Accession Number: 00226803
- Record Type: Publication
- ISBN: 0309021820
- Files: TRIS, TRB
- Created Date: Feb 12 1974 12:00AM