Vehicle route planning device, vehicle route planning method, and vehicle route planning system

A vehicle route planning system comprising a control device configured to determine whether or not a component included in a precedingly used vehicle, the precedingly used vehicle being an autonomous driving vehicle, has deteriorated performance and detecting a detail of performance deterioration with respect to the component determined to have deteriorated performance, the vehicle route planning system comprising a control device that receives the detected detail, wherein the control device performs processing including:

• extracting, in accordance with the received detail, a maintenance location, the maintenance location being a point at which a facility where maintenance of the component determined to have deteriorated performance can be performed exists;
• changing, in accordance with the extracted maintenance location, a travel route from a present location of the precedingly used vehicle to a destination to a travel route from the present location to the maintenance location, and
• setting, on the changed travel route, a transportation means change location, the transportation means change location being a point at which a user on board the precedingly used vehicle alights from the precedingly used vehicle and changes a transportation means to another transportation means.