Robinson, J. and G. Piotrowicz
BCD ALL year
Benefit Summary HTML

A survey of traffic management centers using ramp metering reported that accidents on freeway systems under freeway management were reduced between 15 and 50 percent. While some other freeway improvements were implemented during the study periods, the combination of geometric, vehicle, and operational procedures resulted in significant reduction of accident rate.

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Last Modified Date
Other Reference Number
Report No. DOT-T-95-17
Publication Sort Date
Federal Transit Administration, U.S. DOT
Source ID
Ramp Metering Status in North America, 1995 Update
Source Review
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