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/
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Corporate Authors:
Itte, Calif Univ, Los Angeles
,California Department of Transportation
1120 N Street
Sacramento, CA United States 95814Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC United States 20590 - Publication Date: 1970-2
Subject/Index Terms
- TRT Terms: Age; Drivers; Freeways; Judgment (Human characteristics); Motion pictures; Speed limits; Studies; Traffic flow; Traffic speed; Traffic surveys; Travel patterns
- Uncontrolled Terms: Traffic patterns; Traffic studies
- Old TRIS Terms: Speed studies
- Subject Areas: Highways; Operations and Traffic Management; Safety and Human Factors;
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