Survey and Analysis of Driver's Response to Dynamic Traffic Information

Abstract

Even the most sophisticated Traffic Information Systems (TIS) might not be successful if driver's response to traffic information cannot be estimated in advance. Overreaction and concentration are often triggered if the estimations of driver's response to the information are not correct. Unfortunately, the analysis of drivers' response to traffic information is also very complex, because the responses of different drivers can be totally different to the same information. This paper presents the results of a study on driver's response to and evaluation of dynamic traffic information from radio and Variable Message Signs (VMS) using qualitative and statistic methods. The analysis of the survey conducted in Changchun city shows that the usefulness of traffic information from radio is admitted by most drivers and that this kind of information has a significant influence on the drivers' behavior. The analysis also shows that VMS are not dangerous to drivers if designed carefully. The analysis also revealed that congestion information and alternative route recommendations are most welcomed in general regardless of the forms of media used.

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