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

TitleVehicle speeds in South Australia 2015
AuthorsKloeden CN, Woolley JE
Year2017
TypeReport
AbstractA systematic and ongoing method of measuring vehicle speeds was introduced in South Australia in 2007 in order to assess the effects of speed reduction countermeasures and to monitor the speed behaviour of South Australian motorists over time. More than 100 sites around South Australia have speed measurements taken for a one week period at the same time each year. This Report summarises the data collected in 2015 and makes comparisons with previous surveys and partial surveys dating back to 2002. Vehicle speeds on South Australian 50 km/h roads were essentially unchanged in 2015 compared to 2014. However, there has been a general downward trend in speeds on those roads since 2002 (although it is more pronounced in Adelaide than in rural areas). Vehicle speeds on Adelaide 60 km/h roads were essentially unchanged in 2015 compared to 2014 although there have been a large historical reduction in speeds. Vehicle speeds on rural hills 80 km/h roads were lower in 2015 than in 2014 continuing a reduction in speeds on those roads starting in 2013. Vehicle speeds on 100 and 110 km/h rural roads were essentially unchanged in 2015 compared to 2014 with both these road types showing very little change since surveys on them began in 2006 (although examination of the upper end speeds suggests that high end speeds are becoming less common on these roads over time).
Report NumberCASR137
PublisherCentre for Automotive Safety Research
Publisher CityAdelaide
SponsorDepartment of Planning, Transport and Infrastructure
ISBN978 1 921645 75 4
ISSN1449-2237
Page Count28

Reference
Kloeden CN, Woolley JE (2017) Vehicle speeds in South Australia 2015 (CASR137), Centre for Automotive Safety Research, Adelaide.


Files Available for Download
CASR137.pdfPublished Report in PDF format
CASR137.xlsExcel file containing detailed site results