Ramp Meters on Trial: Evidence from the Twin Cities Metering Holiday

Transportation Research: A Policy and Practice Vol. 40, No. 10, pp. 810-828, December 2006

46 Pages Posted: 4 Feb 2008

See all articles by David Matthew Levinson

David Matthew Levinson

affiliation not provided to SSRN

Lei Zhang

Oregon State University

Abstract

Ramp meters in the Twin Cities have been the subject of a recent test of their effectiveness, involving turning them off for 8 weeks. This paper analyzes the resultswith and without ramp metering for several representative freeways during the afternoon peak period. Seven performance measures: mobility, equity, productivity, consumers' surplus, accessibility, travel time variation and travel demand responses are compared. It is found that ramp meters are particularly helpful for long trips relative to short trips.Ramp metering, while generally beneficial to freeway segments, may not improve trip travel times (including ramp delays). The reduction in travel time variation comprisesanother benefit from ramp meters. Non-work trips and work trips respond differently to ramp meters. The results are mixed, suggesting a more refined ramp control algorithm,which explicitly considers ramp delay, is in order.

Keywords: Ramp Meters, Evaluation, Equity, Mobility, Accessibility, Productivity, Consumers' Surplus, Travel Time Variation, Travel Demand

Suggested Citation

Levinson, David Matthew and Zhang, Lei, Ramp Meters on Trial: Evidence from the Twin Cities Metering Holiday. Available at SSRN: https://ssrn.com/abstract=1089170

David Matthew Levinson (Contact Author)

affiliation not provided to SSRN

Lei Zhang

Oregon State University ( email )

Bexell Hall 200
Corvallis, OR 97331
United States

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