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Effects of speeding and headway related variable message signs on driver behaviour and attitudes

Schramm, Amy J., Rakotonirainy, Andry, Smith, Simon S., Lewis, Ioni M., Soole, David W., Watson, Barry C., & Troutbeck, Rodney J. (2012) Effects of speeding and headway related variable message signs on driver behaviour and attitudes. Queensland Department of Transport and Main Roads, Brisbane, Australia.

Abstract

This research project examined objective measures of driver behaviour and road users' perceptions on the usefulness and effectiveness of three specific VMS (Variable Message Signs) interventions to improve speeding and headway behaviours. The interventions addressed speeding behaviour alone (intervention 1), headway behaviour alone (intervention 2) and a combination of speeding and headway behaviour (intervention 3). Six VMS were installed along a segment of the Bruce Highway, with a series of three signs for each of the northbound and southbound traffic. Speeds and headway distances were measured with loop detectors installed before and after each VMS. Messages addressing speeding and headway were devised for display on the VMS. A driver could receive a message if they were detected as exceeding the posted speed limit (of 90km/hr) or if the distance to the vehicle in front was less than 2.0s. In addition to the on-road objective measurement of speeding and headway behaviours, the research project elicited self-reported responses to the speeding and headway messages from a sample of drivers via a community-based survey. The survey sought to examine the drivers' beliefs about the effectiveness of the signs and messages, and their views about the role, use, and effectiveness of VMS more generally.

Impact and interest:

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ID Code: 54789
Item Type: Report
Divisions: Current > Research Centres > Centre for Accident Research & Road Safety - Qld (CARRS-Q)
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2012 Please consult the authors.
Deposited On: 15 Nov 2012 07:47
Last Modified: 28 May 2013 12:02

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