OPERATIONAL EFFECTS OF AUTO-UTILITY TRAILER COMBINATIONS OF RURAL HIGHWAYS IN KENTUCKY

AN ANALYSIS OF ACCIDENT RECORDS INDICATED THAT AUTOMOBILE- UTILITY TRAILER COMBINATIONS ARE INVOLVED IN A DISPROPORTIONATELY HIGH NUMBER OF TRAFFIC MISHAPS. LOCATIONS WHICH HAVE A HISTORY OF ACCIDENTS INVOLVING A-UT VEHICLES INDICATED THAT DIFFERENTIAL CROSSWINDS AND UNANTICIPATED DRIVING MANEUVERS CONTRIBUTE TO DRIVER LOSS OF CONTROL. A-UT COMBINATIONS CONTRIBUTED TO THE FATIGUE LOSS IN PAVEMENT LIFE APPROXIMATELY 50% AS MUCH AS SINGLE-UNIT, TWO-AXLE, SIX-TIRE TRUCKS (PER VEHICLE). IN GENERAL, THIS VEHICLE TYPE CONSTITUTED APPROXIMATELY THREE PERCENT OF THE TOTAL TRAFFIC STREAM. ANALYSIS OF SPEED DISTRIBUTIONS INDICATED AN EQUIVALENCY FACTOR FOR A-UT COMBINATIONS EQUAL TO THAT FOR TRUCKS FOR SIMULAR ROADWAY TYPES AND TOPOGRAPHICAL CONDITIONS. COMPUTER PROGRAMS USED TO ANALYZE THE DATA ARE INDLUDED. /HSL/

• Record URL:
  • https://doi.org/10.13023/KTC.RR.1971.302
• Supplemental Notes:
  • Rept No RR-302
• Corporate Authors:

  Kentucky Department Highways

  ,    
• Authors:
  • Siria, B S
• Publication Date: 1971

Media Info

• Features: References;
• Pagination: 127 p.

Subject/Index Terms

• TRT Terms: Crash causes; Durability; Pavements; Statistical analysis; Trailers; Weight; Wind
• Subject Areas: Data and Information Technology; Highways; Pavements; Safety and Human Factors;

Filing Info

• Accession Number: 00223896
• Record Type: Publication
• Source Agency: Highway Safety Literature
• Files: TRIS, STATEDOT
• Created Date: Jan 17 1973 12:00AM