Communications - Scientific Letters of the University of Zilina 2010, 12(11):23-27 | DOI: 10.26552/com.C.2010.3A.23-27

Influence of Capacity Restraint Functions on Traffic Distribution and Their Practical Use in the Traffic Modelling

Martin Bartovic1, Marek Drliciak2
1 Centre of Excellence in Transport Engineering, Civil Engineering Faculty, University of Zilina, Slovakia
2 Department of Highway Engineering, Civil Engineering Faculty, University of Zilina, Slovakia

The article deals with the issue of capacity restraint functions (curves) determining for roads and their use in the transport model. It describes the procedure for obtaining traffic flow characteristics and the derivation of the parameters needed to create basic restraint BPR function (Bureau of Public Roads). New parameters were then used in traffic assignment process. The impact of parameter changes for routes redistribution on traffic network was evaluated in detail.The practical use of BPR function in the real traffic model is described in the second part. The article presents the method of volume-delay function definition for different model links types.

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Published: October 31, 2010  Show citation

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Bartovic, M., & Drliciak, M. (2010). Influence of Capacity Restraint Functions on Traffic Distribution and Their Practical Use in the Traffic Modelling. Communications - Scientific Letters of the University of Zilina, 12(3A), 23-27. doi: 10.26552/com.C.2010.3A.23-27
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    References

    1. Model Validation and Reasonableness Checking Manual - 7.0 Assignment Procedures; http://tmip.fhwa.dot.gov/resources/clearinghouse/docs/mvrcm/ch7.htm, US Department of Transportation
    2. Speed Adjustments Using Volume-Delay Functions; - 7.0 Assignment Procedures; http://tmip.fhwa.dot.gov/resources/clearinghouse/docs/tmip/technical_syntheses/2009/january.htm, US Department of Transportation
    3. JASTRZEBSKU, W. P.: Volume Delay Functions; 15th Intern. EMME/2 Users's Group Conference; Vancouver, B. C.
    4. PTV_VISION Visum User Manual. Karlsruhe, 2002.
    5. BARTOVIC, M.: Modely delby prepravnej prace [Models for Division of Transport Work], Doctoral thesis, University of Zilina, 2009 (in Slovak).

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