PROPOSED WARAANTS FOR PROTECTIVE DEVICES AT RAILROAD- HIGHWAY GRADE CROSSINGS: PART II - URBAN AREAS
THIS PAPER DEVELOPS PROCEDURES TO EVALUATE ACCIDENT POTENTIALS AND TO SPECIFY MINIMUM PROTECTIVE DEVICES FOR URBAN GRADE CROSSINGS. FOUR VARIABLES--RELATIVE EXPOSURE TO POTENTIAL COLLISIONS, DRIVER DISTRACTION, TYPE OF PROTECTIVE DEVICE, MINIMUM SIGHT RATIO--ARE BASED ON READILY OBTAINABLE FIELD DATA. A GRAPH IS PROVIDED TO AID JUDGEMENT IN SELECTING A MAXIMUM TOLERABLE ACCIDENT PRONE PROBABILITY (PROBABILITY OF UNDERPROTECTION). WITH THE USE OF THE NOMOGRAPH AND DESIGN CHARTS THE POTENTIAL HAZARD AND MINIMUM PROTECTIVE DEVICE MAY BE DETERMINED OR EACH CROSSING. A RANK ORDERING OF POTENTIAL HAZARDS PROVIDES PRIORITY RATINGS FOR SCHEDULING IMPROVEMENTS. AN EXAMPLE IS PROVIDED, USING FIVE GRADE CROSSINGS IN A TYPICAL COMMUNITY.
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Supplemental Notes:
- Vol 40, No 9, PP 36-38, 40-42, 10 FIG, 3 TAB, 2 REF
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Authors:
- Berg, W D
- Schultz, T G
- Oppenlander, J C
- Publication Date: 1970-6
Media Info
Subject/Index Terms
- TRT Terms: Grade crossing protection systems; Railroad grade crossings; Urban areas; Warrants (Traffic control devices)
- Subject Areas: Highways; Operations and Traffic Management; Railroads;
Filing Info
- Accession Number: 00226278
- Record Type: Publication
- Files: TRIS
- Created Date: May 16 1972 12:00AM