Ramp Metering

Ramp Metering is a valuable instrument for optimizing traffic flow and maximizing the use and benefits of highway infrastructure. 

Ramp metering function is to balance highway capacity with the actual ramp demand, controlling the number of vehicles entering the highway. With splitting and controlling the platoons of vehicles entering mainline, ramp metering decrease upstream and downstream congestions and minimize potential “merge collisions”. By controlling the rate at which vehicles are allowed to enter a freeway, the flow of traffic onto the freeway facility becomes more consistent and smooth.

The results of implementing the ramp metering are increased traffic volume and traffic speed, especially during peak hours; but also reduced pollution and fuel consumption*.

Telegra uses own algorithms for ramp metering developed by Telegra experts.

*Note: Number of studies revealed impact of ramp metering on traffic speed (up to 30%), travel time, fluency, safety but also pollution and fuel consumption (http://www.itsbenefits.its.dot.gov/ITS/benecost.nsf/SingleLink?OpenForm&Tax=Intelligent+Transportation+Systems+Freeway+Management+Ramp+Control+Ramp+Metering&Location=Benefit)



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