WARNING LIGHT STUDY. A STUDY OF THE EFFECT OF DRIVER BEHAVIOR ON OPERATING EMERGENCY AMBER LIGHTS
THE STUDY WAS CONDUCTED IN THE SUMMER OF 1969 TO DETERMINE THE EFFECT OF OPERATING AMBER WARNING LIGHTS ON DRIVER BEHAVIOR, WITH THE MAIN EMPHASIS ON TRAFFIC FLOW. AMBER LIGHTS WERE OPERATED ON THREE TYPES OF VEHICLES; BLACK AND WHITE ENFORCEMENT, TOW SERVICE TRUCK, AND DIVISION OF HIGHWAYS MAINTENANCE PICKUP, FOR THREE LEVELS OF TRAFFIC VOLUME. THE AMBER LIGHT HAD LITTLE EFFECT ON TRAFFIC FLOW DURING THE DAY. THERE WAS SOME SLOWING OF TRAFFIC AT NIGHT ON THE TWO LANE, LIGHT VOLUME ROAD. THE VEHICLE EFFECT VARIED; THE BLACK AND WHITE VEHICLE HAD THE GREATEST EFFECT, THE PICKUP THE LEAST EFFECT. EXPERIMENTAL DESIGN, STATISTICAL METHODOLOGY AND ANALYSIS OF FINDINGS ARE DESCRIBED IN DETAIL. /AUTHOR/
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Corporate Authors:
Calfornia Highway Patrol
P.O. Box 942898
Sacramento, CA United States 94298-0001California Division of Highways
Bridge Department
Sacramento, CA United States 05914Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC United States 20590 - Publication Date: 1971-1
Media Info
Subject/Index Terms
- TRT Terms: Behavior; Days; Drivers; Emergency vehicles; Flashing traffic signals; Operations; Pickup trucks; Slow moving vehicles; Statistical analysis; Towing vehicles; Traffic flow; Traffic volume; Two lane highways; Vehicles; Warning signs; Yellow interval (Traffic signal cycle)
- Uncontrolled Terms: Enforcement; Experimental design; Flashing yellow signals
- Old TRIS Terms: Black and white vehicles; Emergency warning devices; Operational effects; Pickups; Tow service car
- Subject Areas: Administration and Management; Data and Information Technology; Highways; Safety and Human Factors; Vehicles and Equipment;
Filing Info
- Accession Number: 00222599
- Record Type: Publication
- Source Agency: Federal Highway Administration
- Report/Paper Numbers: B-1-43
- Files: TRIS, USDOT
- Created Date: Mar 7 1971 12:00AM