A Multiagent System for Optimizing Urban Traffic

  • Authors:
  • John France;Ali A. Ghorbani

  • Affiliations:
  • -;-

  • Venue:
  • IAT '03 Proceedings of the IEEE/WIC International Conference on Intelligent Agent Technology
  • Year:
  • 2003

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Abstract

For the purposes of managing an urban traffic system, ahierarchical multiagent system that consists of several locallyoperating agents each representing an intersection of a trafficsystem is proposed. Local Traffic Agents (LTAs) are concerned withthe optimal performance of their assigned intersection; however,the resulting traffic light patterns may result in the failure ofthe system when examined at a global level. Therefore, supervisionis required and achieved with the use of a Coordinator TrafficAgent (CTA).A CTA provides a means by which the optimal local lightpattern can be compared against the global concerns. The patterncan then be slightly modified to accommodate the globalenvironment, while maintaining the local concerns of theintersection. Functionality of the proposed system is examinedusing two traffic scenarios: traffic accident and morning rushhour. For both scenarios, the proposed multiagent systemefficiently managed the gradual congestion of the traffic.