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Centre for Automotive Safety Research
THE UNIVERSITY OF ADELAIDE
SA 5005 AUSTRALIA
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Publication Details

TitleAnalysis of infringement data from fixed red light and speed cameras at signalised intersections in South Australia
AuthorsMackenzie JRR, Kloeden CN, Hutchinson TP
Year2012
TypeReport
AbstractSafety cameras are installed at some signalised intersections in South Australia. They photograph vehicles that enter the intersection after the signal has changed to red, or that exceed the speed limit by more than a selected amount. Infringement data at 21 safety camera sites in metropolitan Adelaide was used to track how disobey red light and speeding infringements changed during the first year of operation. It was found that both speeding and red light running decreased over time after the installation of a safety camera. Red light running decreased slowly over time, while speeding fell more rapidly. For the more serious levels of speeding, there was a more rapid fall in infringements during the first few weeks and a slower decline thereafter. Based on this, safety cameras appear to generate a worthwhile improvement in driver behaviour. The fact that continued reductions are seen during the first year of operation suggests that some learning on the part of drivers is occurring.
Report NumberCASR071
PublisherCentre for Automotive Safety Research
Publisher CityAdelaide
SponsorDepartment of Planning, Transport and Infrastructure
ISBN978 1 921645 08 2
ISSN1449-2237
Page Count20

Reference
Mackenzie JRR, Kloeden CN, Hutchinson TP (2012) Analysis of infringement data from fixed red light and speed cameras at signalised intersections in South Australia (CASR071), Centre for Automotive Safety Research, Adelaide.


Files Available for Download
CASR071.pdfReport in PDF format as published