TRAVELING VEHICLE SYSTEM AND METHOD FOR CONTROLLING TRAVELING VEHICLE

A traveling vehicle system includes a travel path, traveling vehicles, and a traveling vehicle controller configured or programmed to cause the traveling vehicles to travel based on a travel route searched for based on a conveyance command. The traveling vehicle controller is configured or programmed to include an alternative target searcher to search, when the travel route of a first traveling vehicle as the traveling vehicle allocated with the conveyance command has been changed, a second traveling vehicle as the traveling vehicle capable of arriving at a destination included in the conveyance command in a shorter time than the first traveling vehicle out of the traveling vehicles not conveying an article, and an alternative controller configured or programmed to reallocate the conveyance command from the first traveling vehicle to the second traveling vehicle when the second traveling vehicle has been identified by the alternative target searcher.