AN OPERATIONAL ANALYSIS OF THE I 64, I 65, I 70 ROUTE JUNCTION IN LOUISVILLE
CONFLICTS AND ERRATIC MOVEMENTS AT THE LOCATIONS OF HIGH-FREQUENCY ACCIDENT SITES WERE OBSERVED. ALL ACCIDENT RECORDS WERE SUMMARIZED, CODED, THEN PLOTTED ON AERIAL PHOTOGRAPHS FOR 1971. CODED INFORMATION INCLUDED WERE TYPE OF ACCIDENT, SEVERITY, TIME AND DATE, WEATHER, AND PAVEMENT CONDITIONS. TO FURTHER DEFINE PAVEMENT CONDITIONS, SKID TESTS WERE CONDUCTED WITH A SKID TRAILER. A FILM WAS THEN MADE OF THE ROADWAY AND HIGHEST-FREQUENCY LOCATIONS WERE MONITORED VISUALLY AND WITH THE CAMERA DURING PEAK HOUR. POOR LOCATION OF RAMPS, SPEED, DESIGN OF RAMP, CONGESTION AND PAVEMENT CONDITIONS WERE DETERMINANTS OF HIGH ACCIDENT-FREQUENCY LOCATIONS. ADVANCE SIGNING TO EMPHASIZE LANE ASSIGNMENTS TO AN EXIT IS A POSSIBLE REMEDY. WARNING SIGNS ADVISING MOTORISTS TO REDUCE SPEED ON SHARPLY CURVED RAMPS WERE USED; HOWEVER, DRIVERS CONTINUE TO LOOSE CONTROL. ERATIC MOVEMENTS BASED ON BRAKELIGHT APPLICATION AND VOLUMES WERE RECORDED AT TWO RAMPS OF HIGH ACCIDENT-FREQUENCY LOCATIONS. THESE MOVEMENTS WERE CATAGORIZED AS "CROWDED WEAVE," "SLOWED DRASTICALLY", AND "STOPPED".
- Record URL:
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Supplemental Notes:
- 5 PP
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Corporate Authors:
Kentucky Department of Transportation
Bureau of Highways
Frankfort, KY United States 40601 -
Authors:
- Pigman, J G
- Seymour, W M
- Agent, K R
- Cornette, D L
- Publication Date: 0
Subject/Index Terms
- TRT Terms: Aerial photography; Crash investigation; Crash types; High risk locations; Ramps; Traffic flow
- Subject Areas: Highways; Operations and Traffic Management; Safety and Human Factors;
Filing Info
- Accession Number: 00226335
- Record Type: Publication
- Files: TRIS, STATEDOT
- Created Date: Jun 18 1972 12:00AM