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Improvement ramp metering

Ramp metering an important traffic management measure in The Netherlands. Around the big cities a lot of ramp metering systems have been installed to improve the traffic flow on the motorways, by controlling the flow on on-ramps by means of a traffic light. Normally, ramp metering has a positive effect on the traffic flow on the motorway and a negative effect on the traffic on the on-rmap. For the control process a standard algorithm is used, but also a number of other algorithms are possible. Therefore, the research question is: can these ramp metering algorithms be improved? And what are the impacts of these improved algorithms?

Start date:
January 1, 2007

Research topic:
Traffic management

Related projects:
Real-time capacity estimation for adaptive ramp metering
Impact of in-car traffic information
Coordination of ramp metering control in a motorway network
Coordination of controlled intersections and on-ramp metering
Optimal adaptive control approach for ramp metering