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Analysis for the use of cumulative plots for travel time estimation on signalized network

Bhaskar, Ashish, Chung, Edward, & Dumont, Andre-Gilles (2010) Analysis for the use of cumulative plots for travel time estimation on signalized network. International Journal of Intelligent Transportation Systems Research, 8(3), pp. 151-163.

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Abstract

This paper provides fundamental understanding for the use of cumulative plots for travel time estimation on signalized urban networks. Analytical modeling is performed to generate cumulative plots based on the availability of data: a) Case-D, for detector data only; b) Case-DS, for detector data and signal timings; and c) Case-DSS, for detector data, signal timings and saturation flow rate. The empirical study and sensitivity analysis based on simulation experiments have observed the consistency in performance for Case-DS and Case-DSS, whereas, for Case-D the performance is inconsistent. Case-D is sensitive to detection interval and signal timings within the interval. When detection interval is integral multiple of signal cycle then it has low accuracy and low reliability. Whereas, for detection interval around 1.5 times signal cycle both accuracy and reliability are high.

Impact and interest:

5 citations in Scopus
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Full-text downloads:

50 since deposited on 08 Dec 2011
18 in the past twelve months

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ID Code: 47542
Item Type: Journal Article
Keywords: Urban travel time, Cumulative plots, Signalized network, Stop-line detectors, Aggregate detector data
DOI: 10.1007/s13177-010-0012-y
ISSN: 1868-8659
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2010 Springer
Copyright Statement: The original publication is available at SpringerLink http://www.springerlink.com
Deposited On: 08 Dec 2011 05:01
Last Modified: 16 Aug 2012 03:00

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