The present invention provides a carriage system which, to choose one of a plurality of running routes, can appropriately determine the congestion statuses of the running routes to choose one of them along which a carriage can reach its destination earliest. In a carriage system 10, each carriage 1 is provided with running status reporting means 1b for reporting a running status based on a running speed to a zone controller 3. The zone controller 3 is provided with congestion information generating means 3b for generating congestion information by putting together reports from the running status reporting means 1b of the carriages 1.