JUDGMENT OF VEHICLE SPEEDS AND TRAFFIC PATTERNS: PHASE 4, INTERIM REPORT

DRIVERS' SPEED ESTIMATIONS TAKEN IN THE UCLA DRIVING SIMULATION LABORATORY INDICATED LARGE UNDER-ACCELERATIONS (OVERESTIMATIONS) FROM ENGINE SPEED ALONE AND NO CORRELATION BETWEEN THESE AND OTHER ESTIMATIONS; MEDIUM ACCURACY AND CORRELATION WITH OTHER ESTIMATIONS FROM VISUAL CUES ALONE; A HIGH LEVEL OF ACCURACY IN INSTRUCTED SPECIFIC SPEEDS AND FREE DRIVING ESTIMATIONS WHEN DRIVING NORMALLY; A POSITIVE CORRELATION BETWEEN SPECIFIC AND FREE SPEED ESTIMATIONS; AND LITTLE ACCURACY OR CORRELATION FOR PROPORTIONAL ESTIMATIONS.

• Supplemental Notes:
  • REPORT NO RTA-13945-13642
• Corporate Authors:

  Itte, Calif Univ, Los Angeles

  ,    
• Authors:
  • Case, H W
  • HULBERT, S F
• Publication Date: 1971

Media Info

• Features: References;
• Pagination: 35 p.

Subject/Index Terms

• TRT Terms: Behavior; Distance; Drivers; Perception; Simulation; Speed; Studies; Traffic speed
• Old TRIS Terms: Speed studies
• Subject Areas: Highways; Safety and Human Factors;

Filing Info

• Accession Number: 00222002
• Record Type: Publication
• Source Agency: Highway Safety Literature
• Files: TRIS
• Created Date: Apr 8 1973 12:00AM