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Balancing Efficiency and Equity of Ramp Meters

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Author Info

  • Lei Zhang
  • David Levinson

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

Abstract

A new freeway ramp control objective - minimizing total weighted travel time is presented in this study. This new objective function is capable of balancing efficiency and equity of ramp meters, while the previous metering objective - minimizing total absolute travel time is purely efficiency-oriented and hence produces a most efficient but least equitable solution. When certain assumptions hold, this metering objective is shown to be equal to minimizing non-linearly weighted ramp delay. A simulation method to achieve the new metering objective is developed and demonstrated using the example of BEEX, a new ramp control strategy also developed in this study, in a microscopic traffic simulator.

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File URL: http://nexus.umn.edu/Papers/BalancingRampMeters.pdf
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File URL: http://dx.doi.org/doi:10.1061/(ASCE)0733-947X(2005)131:6(477)
File Function: First version, 2007
Download Restriction: no

Bibliographic Info

Paper provided by University of Minnesota: Nexus Research Group in its series Working Papers with number 200508.

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Date of creation: 2005
Date of revision:
Publication status: Published in ASCE Journal of Transportation Engineering 131(6) pp.477-481.
Handle: RePEc:nex:wpaper:balancingrampmeters

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: Ramp Metering; Efficiency; Equity; BEEX; Value of travel time;

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Cited by:
  1. Zhang, H.M. & Shen, Wei, 2010. "Access control policies without inside queues: Their properties and public policy implications," Transportation Research Part B: Methodological, Elsevier, vol. 44(8-9), pages 1132-1147, September.
  2. David Levinson & Lei Zhang, 2006. "Ramp Meters on Trial: Evidence from the Twin Cities Metering Holiday," Working Papers 200604, University of Minnesota: Nexus Research Group.
  3. Xinkai Wu & David Levinson & Henry Liu, 2008. "Perception of Waiting Time at Signalized Intersections," Working Papers 200909, University of Minnesota: Nexus Research Group.
  4. Nebiyou Tilahun & David Levinson, 2006. "Selfishness and Altruism in the Distribution of Travel Time and Income," Working Papers 000023, University of Minnesota: Nexus Research Group.
  5. Lei Zhang & David Levinson, 2004. "Optimal Freeway Ramp Control without Origin-Destination Information," Working Papers 200404, University of Minnesota: Nexus Research Group.
  6. Zheng, Nan & Waraich, Rashid A. & Axhausen, Kay W. & Geroliminis, Nikolas, 2012. "A dynamic cordon pricing scheme combining the Macroscopic Fundamental Diagram and an agent-based traffic model," Transportation Research Part A: Policy and Practice, Elsevier, vol. 46(8), pages 1291-1303.
  7. Lei Zhang & Feng xie & David Levinson, 2007. "Illusion of Motion: Variation of Subjective Value of Travel Time on Freeways and Ramp Meters," Working Papers 200903, University of Minnesota: Nexus Research Group.

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