Road safety benefits of intelligent speed adaptation for Australia
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(Published version)
Date
2011
Authors
Creef, K.
Wall, J.
Boland, P.
Vecovski, V.
Prendergast, M.
Stow, J.
Fernandes, R.
Beck, J.
Doecke, S.
Woolley, J.
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Conference paper
Citation
Proceedings of the 2011 Australasian Road Safety Research, Policing and Education Conference, 2011, pp.1-10
Statement of Responsibility
Kim Creef, John P Wall, Peter Boland, Vanessa Vecovski, Margaret Prendergast, Jacqueline Stow, Ralston Fernandes, Janine Beck, Sam Doecke, Jeremy Woolley
Conference Name
Australasian Road Safety Research, Policing and Education Conference (ARSRPE) (6 Sep 2011 - 9 Sep 2011 : Perth, WA)
Abstract
Intelligent Speed Adaptation (ISA) refers to in-vehicle technology systems which assist drivers to keep to or below the speed limit. In 2009-2010 the NSW Centre for Road Safety conducted the NSW ISA Trial which was the largest road safety technology trial ever conducted in Australia. Over 110 light vehicles from private and company fleets were fitted with an Advisory ISA device and a speed data recorder. Over 7.6 million vehicle speed data records were collected and analysed to measure changes in drivers‟ speed compliance. The Advisory ISA system reduced speeding in 89 per cent of trial vehicles. The median probability of speeding was also reduced by almost 30 per cent. Initial modelling suggested that if all vehicles in NSW were equipped with the Advisory ISA system trialled, road deaths would be reduced by 8.4 per cent and the number of people injured would be reduced by 5.9 per cent. Results of the trial demonstrated that Advisory ISA technology has the potential to realise substantial road safety benefits by increasing compliance with speed limits. This paper presents further findings of the trial and additional crash reduction benefits and community savings attributed to this technology. The analysis includes the impact of Advisory ISA at various vehicle penetration levels within Australia as well as the estimated reductions in the number of serious injury and fatality crashes in future years.
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Copyright: Authors retain copyright of papers presented at the Australasian College of Road Safety Conferences