Benefit

Volume decreased by 9 percent and peak period throughput was reduced by 14 percent when the ramp metering system on Minneapolis-St. Paul freeways was deactivated.


February 2001
Minneapolis-St. Paul,Minnesota,United States


Summary Information

A Minnesota Department of Transportation (Mn/DOT) study revealed the impacts of shutting down an extensive ramp metering system on Minneapolis-St. Paul area freeways for a 6-week evaluation period. The study analyzed data collected from four test corridors chosen to represent typical freeway configurations and conditions across the region. The study collected a variety of data using several data collection techniques, including probe vehicles operated during peak periods, traffic volume counts from existing traffic detectors and temporary installations, crash statistics, and traveler surveys.

FINDINGS

Results indicated that without ramp meters there was a 9 percent reduction in freeway volume and a 14 percent reduction in peak period throughput.

Notes

See Also:
Evaluation of Ramp Meter Control Effectiveness in Two Twin Cities Freeways, TRB 2002

Mn/DOT Ramp Meter Evaluation: Phase II Report

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Source

Twin Cities Ramp Meter Evaluation

Published By: Minnesota DOT

Prepared by Cambridge Systematics for the Minnesota DOT

Source Date: February 2001

EDL Number: 13425

URL: https://rosap.ntl.bts.gov/view/dot/2765

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Goal Areas

Efficiency

Typical Deployment Locations

Metropolitan Areas

Keywords

ramp meters

Benefit ID: 2007-00417