Driving behaviour of long distance truck drivers: the effects of schedule compliance on drug use and speeding citations

This paper reports the results of an econometric analysis of the influences on on-road behaviour of long distance truck drivers in Australia. The approach is couched in terms of a utility maximisation framework in which a driver trades-off economic reward with occupational risk. The physical risks to the driver due to driving while fatigued are proxied by the use of stimulants. Drawing on a 1990 survey of a sample of 402 truck drivers selected from owner drivers and employee drivers, we evaluate a number of alternative hypotheses on the relationship between drug taking, compliance with schedules and the propensity to speed. A system of structural equations is specified to test alternative hypotheses on causality between the endogenous variables and a set of exogenous effects. The models are estimated using distribution-free methods for mixed dichotomous and continuous variables. The main findings within the set of endogenous variables is that increasing speed is positively influenced by the propensity to take stay-awake pills which is itself positively influenced by the propensity to self-impose schedules. After controlling for a number of contextual influences on the endogenous variables, rates of financial reward have a significant impacts on all three endogenous variables. This study has highlighted the complex relationships which exist between speeding, social behaviour and economic reward.

  • Authors:
    • Golob, T F
    • Hensher, D A
  • Publication Date: 1994-3


  • English

Media Info

  • Pagination: 33p
  • Serial:
    • Issue Number: ITS-WP-94-12

Subject/Index Terms

Filing Info

  • Accession Number: 01435524
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: ATRI
  • Created Date: Aug 24 2012 7:03PM