Queue protection parameters’ fine-tuning for variable speed limits
Bevrani, Kaveh, Rahman, Mamun Muntasir, & Chung, Edward (2011) Queue protection parameters’ fine-tuning for variable speed limits. In Proceedings of the Australasian Transport Research Forum 2011, PATREC, Adelaide Hilton Hotel, Adelaid, SA, pp. 1-13.
Any incident on motorways potentially can be followed by secondary crashes. Rear-end crashes also could happen as a result of queue formation downstream of high speed platoons. To decrease the occurrence of secondary crashes and rear-end crashes, Variable Speed Limits (VSL) can be applied to protect queue formed downstream. This paper focuses on fine tuning the Queue Protection algorithm of VSL. Three performance indicators: activation time, deactivation time and number of false alarms are selected to optimise the Queue Protection algorithm. A calibrated microscopic traffic simulation model of Pacific Motorway in Brisbane is used for the optimisation. Performance of VSL during an incident and heavy congestion and the benefit of VSL will be presented in the paper.
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|Item Type:||Conference Paper|
|Keywords:||VSL, Queue Protection, Motorways, Safety|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Transport Engineering (090507)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Urban Development
Current > Research Centres > Smart Transport Research Centre
|Copyright Owner:||Copyright 2011 [please consult the authors] University of South Australia & the South Australian Department for Transport, Energy & Infrastructure|
|Deposited On:||12 Aug 2011 09:15|
|Last Modified:||04 Oct 2011 13:47|
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