Evaluation of Network Performance under Provision of Short Predictive Traffic Information

Apirath PHUSITTRAKOOL, Chawalit JEENANUNTA, Passakon PRATHOMBUTR

Abstract


Traffic information systems have been considered to play an important role in reducing traffic congestion. Understanding the effects of information provision to the network performance is crucial before real implementation of the systems. In this paper, we investigated the effect of provision of predictive information with short prediction horizon. A traffic simulation model was developed to evaluate the efficiency of the information. The simulations were conducted on a test grid network. The network performances in term of average trip travel times were compared with other traffic information types. In addition, sensitivity analyses of level of market penetration and update intervals are also presented. The results obtained indicate that the predictive information can improve the overall network performance even though the prediction horizon is short.

Keywords


Advanced traveler information systems, predictive traffic information, traffic simulation, routing strategies

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References


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