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Title	A PRELIMINARY ANALYTICAL INVESTIGATION OF THE BRIG ROAD SAFETY EDGE CONCEPT
Accession No	00219745
Authors	MCHENRY, R R
Corp. Authors / Publisher	Cornell Aeronautical Laboratory, Incorporated ; New York State Dept Transportation; Federal Highway Administration
Publication Date	19701000
Abstract	THE BRIG ROAD SAFETY EDGE IS A DEPRESSED EDGE BETWEEN THE PAVEMENT AND THE ROADSIDE SHOULDER . THIS ANALYTICAL STUDY APPLIES A COMPUTER SIMULATION OF THE DYNAMICS OF SINGLE VEHICLE ACCIDENTS IN A PRELIMINARY EVALUATION OF THE BRIG CONEPT. DUE TO THE TIME PERIOD AVAILABLE, THE INVESTIGATION WAS LIMITED IN THE NUMBER OF SIMULATION RUNS; FOUR WERE MADE FOR COMPARISON PURPOSES SIMULATING CONTACTS WITH A CONVENTIONAL CURB. DEVINITIONS ARE GIVEN OF THE REQUIRED PROGRAM MODIFICATIONS AND EXTENSIONS TO INCORPORATE GYROSCOPIC EFFECTS. IT IS CONCLUDED THAT THE PROPOSED BRIG ROAD EDGE WILL PRODUCE CORRECTIVE STEER EFFECTS ONLY UNDER EXTREMELY LIMITED CONDITIONS OF DEPARTURE FROM THE PAVEMENT AND THAT THE MECHANISM THROUGH WHICH THE EFFECTS ARE PRODUCED DIFFERS SUBSTANTIALLY FROM THAT DESCRIBED IN THE U. S. PATENT AND IN AN EARLIER ANALYSIS SUPPORTING THE PATENT CLAIMS. /FHWA/
Supplemental Information	Cpr-11-3988, 3512-022
TRT Terms	Computers ; Curbs ; Design ; Gyroscopes ; Highway safety ; Pavements ; Simulation ; Single vehicle accidents ; Steering wheels
Other Terms	Edges; Shoulders
Subject Areas	H54 OPERATIONS AND TRAFFIC CONTROL; H24 PAVEMENT DESIGN AND PERFORMANCE; H51 SAFETY
Availability	National Technical Information Service Order Number: PB-196406
Document Source	Federal Highway Administration
TRIS Files	HRIS
Database	TRIS Online

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