Proactive traffic merging strategies for sensor-enabled cars
Proceedings of the fourth ACM international workshop on Vehicular ad hoc networks
Coordinated multiple ramps metering based on neuro-fuzzy adaptive dynamic programming
IJCNN'09 Proceedings of the 2009 international joint conference on Neural Networks
CCDC'09 Proceedings of the 21st annual international conference on Chinese control and decision conference
Coordination of agent-based control in a freeway network
CCDC'09 Proceedings of the 21st annual international conference on Chinese control and decision conference
Optimal Motorway Traffic Flow Control Involving Variable Speed Limits and Ramp Metering
Transportation Science
An efficient optimization approach to real-time coordinated and integrated freeway traffic control
IEEE Transactions on Intelligent Transportation Systems
Reinforcement learning ramp metering without complete information
Journal of Control Science and Engineering
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Recurrent and nonrecurrent congestion on freeways may be alleviated if today's "spontaneous" infrastructure utilization is replaced by an orderly, controllable operation via comprehensive application of ramp metering and freeway-to-freeway control, combined with powerful optimal control techniques. This paper first explains why ramp metering can lead to a dramatic amelioration of traffic conditions on freeways. An overview of ramp metering algorithms is provided next, ranging from early fixed-time approaches to traffic-responsive regulators and to modern sophisticated nonlinear optimal control schemes. Finally, a large-scale example demonstrates the high potential of advanced ramp metering approaches.