This paper was presented at Session 35 - Drivers, Vehicles and Geometrics 2. An assessment is given of the usefulness of different measures of driver task demand in practical situations. The measures are divided into three categories: secondary task performances, vehicle control responses and physiological responses. Two calibration studies undertaken with the Australian Road Research Board instrumented vehicle are described. The first, a pilot study, suggested that problems with analysis, interpretation and interference from factors outside the driving task would exclude physiological measures from being useful. The main experiment therefore dealt only with vehicle control parameters and secondary task methods were found to discriminate between very large changes in driving demand. They also lacked consistency, although it is thought the measures could be useful in tightly controlled situations. Methods involving vehicle control responses show some promise, possibly with responses monitored in fine detail and the results used in conjunction with a record of the road and traffic situation these could become a useful measure. (TRRL)

Media Info

  • Features: Photos; References; Tables;
  • Pagination: p. 285-297
  • Serial:
    • Volume: 9
    • Issue Number: 5

Subject/Index Terms

Filing Info

  • Accession Number: 00309165
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: ITRD, TRIS, ATRI
  • Created Date: May 21 1980 12:00AM