Work-related road accidents

  • Published: TRL Report 582, 2003
  • Authors: Broughton, J,Baughan, C,Pearce, L,Smith, L,Buckle, G
  • Date Added: 02 Aug 2013
  • Last Update: 25 Oct 2016
  • Format: html

Objectives

To show that car drivers with more than 80 per cent of their annual mileage on work-related journeys had about 50 per cent more injury accidents than other car drivers who were otherwise similar in terms of age, sex and mileage.

Methodology

Questionnaires were sent to a sample of drivers of vehicles up to three years old identified from police reports of accidents that involved personal injury. It was also sent to a general sample of drivers of vehicles up to three years old. This included drivers of company-registered vehicles and drivers of privately registered vehicles (both of which may or may not do work-related mileage). This methodology allowed, for the first time, the excess risk of injury accidents arising from work-related driving to be estimated. Previous studies have only been able to estimate the excess liability or work-related drivers to 'all accidents' - which are dominated by damage-only accidents.

Key Findings

  • Car drivers with more than 80 per cent of their annual mileage on work-related journeys had about 50 per cent more injury accidents than other car drivers who were otherwise similar in terms of age, sex and mileage.

  • Drivers whose work-related journeys accounted for 80 per cent or less of their total mileage had, on average, about 13 per cent more accidents than otherwise similar drivers doing no work related mileage.

  • Drivers whose work related journeys accounted for more than 80 per cent of their total mileage differed from other drivers in their responses to a number of behavioural questions.

  • In particular they were more likely to drive when fatigued, under time pressure, and when conducting distracting in-car activities like mobile phone conversations. While such differences will increase the risk of work-related driving and thus help to explain its excess accident liability, in fact the survey was not able to demonstrate this directly.

Keywords

Company car drivers, liability, fatigue, mobile phones.

Comments

Not able to demonstrate directly if fatigue, mobile phone usage etc… causes more injury accidents, or whether it is just because the work driver spends more time in their vehicle and therefore the probability of them having an accident is greater.

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