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Publication Details

TitleRoad safety benefits of intelligent speed adaptation for Australia
AuthorsCreef K, Wall JP, Boland P, Vecovski V, Prendergast M, Stow J, Fernandes R, Beck J, Doecke SD, Woolley JE
Year2011
TypeConference Paper
AbstractIntelligent 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. Over7.6 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.

Conference Name2011 Australasian Road Safety Research, Policing and Education Conference
Conference AbbreviationRSR 2011
Conference LocationPerth
Conference Date6 - 9 November 2011
Page Count10

Reference
Creef K, Wall JP, Boland P, Vecovski V, Prendergast M, Stow J, Fernandes R, Beck J, Doecke SD, Woolley JE (2011) 'Road safety benefits of intelligent speed adaptation for Australia', 2011 Australasian Road Safety Research, Policing and Education Conference, Perth, 6 - 9 November 2011.


Files Available for Download
CASRBenefits-of-ISA-1272.pdfOriginal PDF as published on RSR2011 CD