PROBLEM TO BE SOLVED: To provide a traffic volume distribution system and a traffic volume distribution method capable of improving the observance rate of a driver with respect to guidance for distributing and smoothing a traffic volume.SOLUTION: The traffic volume distribution system is configured to extract the taste of a driver with respect to a travel route, and to detect the characteristics of a plurality of detours from a current place to a destination, and to select the detour whose detected characteristics match the extracted taste of the driver from among the plurality of detours, and to generate detour information for guiding an own vehicle that the driver is driving to the detour selected from among the plurality of detours, and to provide an image in which the detour included in the detour information is superimposed on the image of a map to the driver by displaying the image on a touch display.
