TAXICAB SYSTEM

A taxicab system includes a plurality of taxicab vehicles which are all autonomous vehicles, and a management device. Each taxicab vehicle can form a vehicle group with other taxicab vehicles according to an instruction from a customer or the management device. The vehicle group includes one representative vehicle and at least one subordinate vehicle. The representative vehicle and the subordinate vehicle execute at least one of a collective billing process for charging a representative customer a fare for each of the plurality of vehicles, and a collective setting process for setting a place designated by the representative customer as a destination of each of the vehicles.