A method of storing a travel history in which the travel history of a vehicle is stored in the storage device 105 for each link of the travel path using the controller 105, and the travel history of one link is based on a predetermined determination condition. Or it discriminate | determines into several types of driving | running | working log | history, The said several types of driving | running | working log | history in the said one link is classified for every discriminated type, and is memorize | stored in the said memory | storage device.
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