RISK-MINIMIZED CAR ROUTE ASSIGNMENT STRATEGY CONSIDERING DRIVERS' RESPONSES TO TRAVEL TIME VARIATION

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  • リスク対応行動を考慮した道路網経路配分
  • リスク タイオウ コウドウ オ コウリョシタ ドウロモウ ケイロ ハイブン

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Abstract

Risk Management, or reducing loses resulting from uncertainties, has been becoming a great concern in infrastructure planning. This paper addresses the risk that drivers suffer in connection with travel time variation. Two agencies, a road traffic manager and drivers, are considered to severally react against the risk, and a model of Risk Assignment is proposed, which determines traffic manager's action to minimize total drivers' risk. This paper firstly depicts the general framework of risk management in traffic management and then specifys the Risk Assignment problem. Numerical examples are presented in order to refine the formulation of Risk Assignment problem.

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