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Traffic Management Systems

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Author Info

  • Wei Chen
  • David Levinson

    ()
    (Nexus (Networks, Economics, and Urban Systems) Research Group, Department of Civil Engineering, University of Minnesota)

Abstract

This study uses regression analysis to evaluate long-run traffic management system performance. Three important traffic management systems in the Twin Cities metro area - Ramp Metering, Variable Message Signs (VMS), and Freeway Service Patrol (the Highway Helper Program) were evaluated with multiple regression models to predict link speed and incident rate. We find that ramp meters increase freeway link speed and reduce incident rate. Freeway Service Patrols increase link speed when incidents are present. The results for variable message signs are ambiguous.

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File URL: http://nexus.umn.edu/Papers/TrafficManagementSystems.pdf
File Function: First version, 2007
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Bibliographic Info

Paper provided by University of Minnesota: Nexus Research Group in its series Working Papers with number 200411.

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Date of creation: 2004
Date of revision:
Publication status: Published in Assessing the Benefits and Costs of Intelligent Transportation Systems (David Gillen and David Levinson (co-editors)) Kluwer Publishers.
Handle: RePEc:nex:wpaper:trafficmanagementsystems

Contact details of provider:
Postal: Dept. of Civil Engineering, 500 Pillsbury Drive SE, Minneapolis, MN 55455
Phone: +01 (612) 625-6354
Fax: +01 (612) 626-7750
Web page: http://nexus.umn.edu
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Related research

Keywords: Traffic management system; Traffic system performance; Before-and-after study; Ramp Metering System; Variable Message Signs (VMS); Freeway Service Patrol; Highway Helper Program.;

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  1. Levinson, David & Zhang, Lei, 2006. "Ramp meters on trial: Evidence from the Twin Cities metering holiday," Transportation Research Part A: Policy and Practice, Elsevier, vol. 40(10), pages 810-828, December.
  2. Banks, James H. & Kelly, Gregory, 1997. "Traffic Management Systems Performance Measurement: Final Report," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt8cp6t00d, Institute of Transportation Studies, UC Berkeley.
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