JUDGMENT OF VEHICLE SPEED AND TRAFFIC PATTERNS: PHASE I

ANALYSIS OF 1,068 SUBJECTS' SPEED ESTIMATIONS OF A 16 MM MOTION PICTURE TAKEN FROM AN AUTOMOBILE MOVING ALONG A FREEWAY DEMONSTRATES THE FOLLOWING: (1) A NEGATIVE CORRELATION WITH AGE (THE OLDER THE DRIVERS, THE SLOWER THEY ESTIMATED THEIR SPEED), (2) A POSITIVE CORRELATION BETWEEN TRIALS (DRIVERS WERE CONSISTENT IN THEIR ESTIMATES), (3) ESTIMATIONS WITHIN EACH TRIAL COVERED A RANGE OF 50 TO 80 MPH, AND (4) A POSSIBLE NEGATIVE INFLUENCE OF BRINGING THE ATTENTION OF THE VIEWER TO THE POSTED SPEED LIMIT (ESTIMATES WERE LOWER). /AUTHOR/

  • Corporate Authors:

    Itte, Calif Univ, Los Angeles

    ,    

    California Department of Transportation

    1120 N Street
    Sacramento, CA  United States  95814

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Publication Date: 1970-2

Subject/Index Terms

Filing Info

  • Accession Number: 00222593
  • Record Type: Publication
  • Source Agency: Federal Highway Administration
  • Report/Paper Numbers: B-2-8
  • Files: TRIS, USDOT, STATEDOT
  • Created Date: Jul 14 1970 12:00AM