An experiment was conducted in which drivers negotiated a test course containing thirteen low-speed curves with well-defined lateral boundaries (restricted-path turns), but were free to select their speed of travel. No evidence is found that the "preferred yaw rate" behaviour exhibited in free-path turns is relevant to restricted-path driving. The results indicate that the maximum lateral acceleration developed was the major determinant of speed selection on a given radius curve, the level adopted decreasing with increased curve radius. The deviations of the vehicle paths from the set-out curves are examined in detail. The effect of experimental instructions designed to elicit "normal" and "stressed" driving strategies is also investigated. The data obtained appear to provide the first comprehensive collection of detailed information on driver-vehicle behavior over a range of curve geometries. /TRRL/

  • Availability:
  • Corporate Authors:

    Taylor & Francis

    4 Park Square, Milton Park
    Abingdon,   United Kingdom  OX14 4RN
  • Authors:
    • Good, M C
    • Joubert, P N
  • Publication Date: 1977-5


  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00164383
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Report/Paper Numbers: Analytic
  • Files: ITRD, TRIS, ATRI
  • Created Date: Feb 16 1978 12:00AM