Ramp meter
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 Metered ramp on I-894. |
A ramp meter, ramp signal or metering light is a device, usually a basic traffic light or a two-section signal (red and green only, no yellow) light together with a signal controller, that regulates the flow of traffic entering freeways according to current traffic conditions. It is the use of traffic signals at freeway on-ramps to manage the rate of automobiles entering the freeway. Ramp metering systems have proved to be successful in decreasing traffic congestion and improving driver safety.
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| M5 Merge Safe (RTA) M5 Merge Safe (RTA) rta.nsw.gov.au/usingroads/motorwaysandtolling/m5_mergesafe.html - Web |
| University of Minnesota University of Minnesota www.its.umn.edu/Research/FeaturedStudies/rampmeter.html - Web |
| Ramp Signalling Ramp Signalling www.aucklandmotorways.co.nz/rampsignalling/rampsignalling.html - Web |
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| Ramp Meters in the U.S. Ramp Meters in the U.S. www.ajfroggie.com/roads/other/rampmeter.htm - Web |
