A 1995 North American survey of traffic management centers using ramp metering, identified reductions of 15 to 50 percent in freeway crashes.
Author: Robinson, J. and G. Piotrowicz
Published By: Federal Transit Administration, U.S. DOT
Source Date: June 1995
EDL Number: 3725
Other Reference Number: Report No. DOT-T-95-17URL: http://ntl.bts.gov/lib/jpodocs/REPTS_PR/3725.pdf
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