Traveling vehicle system

A traveling vehicle system comprising:

• a plurality of traveling vehicles configured to be able to select one of a plurality of communication methods and travel in a plurality of sections;
• a storage in which the communication methods allowing communication for the respective sections are associated with each other and stored;
• and
• a controller configured or programmed to transmit and receive a signal through the corresponding communication method selected by each of the traveling vehicles, each of the traveling vehicles being configured to, when having received the signal transmitted from the controller, receive the signal as valid information only when the signal contains information indicating the vehicle itself as a destination;
• wherein
• after each of the traveling vehicles has switched the communication method stored in the storage in accordance with one of the sections that the traveling vehicle has entered, even when the signal received by the communication method after this switching contains information indicating a vehicle other than the vehicle itself as a destination, the traveling vehicle receives the signal as valid information and determines that communication with the controller has been established.