Urban network travel time estimation from stop-line loop detector data and signal controller data
Bhaskar, Ashish, Chung, Edward, Kuwahara, Masao, de Mouzon, Olivier, & Dumont, André-Gilles (2007) Urban network travel time estimation from stop-line loop detector data and signal controller data. Urban Transport XIII : Urban Transport and the Environment in the 21st Century.
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This paper presents a model to estimate travel time using cumulative plots. Three different cases considered are i) case-Det, for only detector data; ii) case-DetSig, for detector data and signal controller data and iii) case-DetSigSFR: for detector data, signal controller data and saturation flow rate. The performance of the model for different detection intervals is evaluated. It is observed that detection interval is not critical if signal timings are available. Comparable accuracy can be obtained from larger detection interval with signal timings or from shorter detection interval without signal timings. The performance for case-DetSig and for case-DetSigSFR is consistent with accuracy generally more than 95% whereas, case-Det is highly sensitive to the signal phases in the detection interval and its performance is uncertain if detection interval is integral multiple of signal cycles.
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|Item Type:||Journal Article|
|Keywords:||Urban network travel time, Arterial travel time, Cumulative plots, Signalised intersection, Delay|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Transport Engineering (090507)|
Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100) > Simulation and Modelling (080110)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2009 WIT Press.|
|Deposited On:||03 Dec 2009 09:12|
|Last Modified:||16 Aug 2012 14:13|
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