A central management server which serves as a route searching device for a first rechargeable vehicle, comprising: a communication unit configured to receive information from an EV car pool management server (11, 12,...) of a vehicle supply facility for supplying a second rechargeable vehicle, a charging station management server (21, 22, 23,...) of a charging facility which is provided with a charger at which power can be supplied to a battery of the first and second rechargeable vehicles, and an on-board unit (31, 32, 33,...) of the first and second rechargeable vehicles; a dynamic table creation unit configured to create facility information including information regarding a use state and a reservation state of a supply facility including the vehicle supply facility, and the charging facility, and information regarding a state of charge of the second rechargeable vehicle, based on the information received by the communication unit; and a movement plan creation unit configured to create a movement plan including, based on map information and the facility information, a route to a disembarking point of the first or second rechargeable vehicle via a destination, and supply details received by the supply facility on the route, the route including the supply facility to be used; wherein the disembarking point is a further vehicle supply facility; the facility information regarding the use state includes information indicating availability of the second rechargeable vehicle and the charger at the present time, the facility information regarding the reservation state includes information indicating a reservation time when the second rechargeable vehicle and the charger are reserved to be used, and the movement plan creation unit is configured to create the movement plan based on the facility information, the movement plan including, as the supply facility used on the route, at least one of: the vehicle supply facility ensuring the second rechargeable vehicle which has the state of charge allowing to travel to the next supply facility; and the charging facility including the available charger which is usable by the first rechargeable vehicle upon arrival. a communication unit configured to receive information from an EV car pool management server (11, 12,...) of a vehicle supply facility for supplying a second rechargeable vehicle, a charging station management server (21, 22, 23,...) of a charging facility which is provided with a charger at which power can be supplied to a battery of the first and second rechargeable vehicles, and an on-board unit (31, 32, 33,...) of the first and second rechargeable vehicles; a dynamic table creation unit configured to create facility information including information regarding a use state and a reservation state of a supply facility including the vehicle supply facility, and the charging facility, and information regarding a state of charge of the second rechargeable vehicle, based on the information received by the communication unit; and a movement plan creation unit configured to create a movement plan including, based on map information and the facility information, a route to a disembarking point of the first or second rechargeable vehicle via a destination, and supply details received by the supply facility on the route, the route including the supply facility to be used; wherein the disembarking point is a further vehicle supply facility; the facility information regarding the use state includes information indicating availability of the second rechargeable vehicle and the charger at the present time, the facility information regarding the reservation state includes information indicating a reservation time when the second rechargeable vehicle and the charger are reserved to be used, and the movement plan creation unit is configured to create the movement plan based on the facility information, the movement plan including, as the supply facility used on the route, at least one of: the vehicle supply facility ensuring the second rechargeable vehicle which has the state of charge allowing to travel to the next supply facility; and the charging facility including the available charger which is usable by the first rechargeable vehicle upon arrival. the vehicle supply facility ensuring the second rechargeable vehicle which has the state of charge allowing to travel to the next supply facility; and the charging facility including the available charger which is usable by the first rechargeable vehicle upon arrival.