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.
Results indicated that without ramp meters there was a 9 percent reduction in freeway volume and a 14 percent reduction in peak period throughput.
Evaluation of Ramp Meter Control Effectiveness in Two Twin Cities Freeways, TRB 2002
Mn/DOT Ramp Meter Evaluation: Phase II Report
Published By: Minnesota DOT
Prepared by Cambridge Systematics for the Minnesota DOT
Source Date: February 2001
EDL Number: 13425URL: http://ntl.bts.gov/lib/jpodocs/repts_te/13425.pdf
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