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Travel Time Variability After A Shock: The Case Of The Twin Cities Ramp Meter Shut Off

Author

Listed:
  • Lei Zhang
  • David Levinson

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

Abstract

Ramp meters in the Twin Cities were turned off for 8 weeks in the Fall of 2000. This paper analyzes travel time variability with and without ramp metering for several representative freeways during the afternoon peak period. Travel time variability is generally reduced with metering. However, it is found that ramp meters are particularly helpful for long trips relative to short trips. The benefits from reducing travel time variability with meters are on the order of 37% of the benefits from reducing average travel time.

Suggested Citation

  • Lei Zhang & David Levinson, 2001. "Travel Time Variability After A Shock: The Case Of The Twin Cities Ramp Meter Shut Off," Working Papers 200309, University of Minnesota: Nexus Research Group.
    • Handle: RePEc:nex:wpaper:variability
    as

    Download full text from publisher

    File URL: http://hdl.handle.net/11299/179874
    File Function: First version, 2007
    Download Restriction: no
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    More about this item

    Keywords

    Freeway Operations; Ramp Meters; Travel Time Variability Before-and-after study; Ramp Metering System; Variable Message Signs (VMS); Freeway Service Patrol; Highway Helper Program.;
    All these keywords.

    JEL classification:

    • R41 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise
    • R48 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Government Pricing and Policy
    • H42 - Public Economics - - Publicly Provided Goods - - - Publicly Provided Private Goods

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