Abstract
With expansions of highway network, more attention has been paid to providing drivers with dynamic information from the viewpoints of traffic control schemes. This study aims at discussing the suitable way to provide drivers including elderly ones with traffic information and analyzing driver's route choice under provision of improved traffic information. This study conducted the questionnaire survey composed of the questions related to driver's attitude toward information provided and the stated preference survey about route choice under provision of jam information. The estimated parameters of route choice models suggest that information on short-term trend of jam might influence driver's decision-making.
