PURPOSE:To shorten the time required for going-in and going-out, and to efficiently execute a running test for an unmanned vehicle, by stopping temporarily an unmanned automatic vehicle at a scheduled interval at the time of going-in and going-out. CONSTITUTION:A running path 1 is divided into section of A1-An, a siding course 2 is divided into sections of P1-Pn, and by an operation controller 5, a block control and a speed control are executed. In case of a going-in operation, an unmanned automatic vehicle which is running is stopped temporarily at a scheduled interval, a loop switching device 3 is switched to the Pn side, and a vehicle for which it is desired to go in from the section Pn-2 is allowed to go in and stopped at the section A3. Thereafter, the device 3 is returned to its original state, and all the cars are started simultaneously. On the other hand, in case of a going-out operation, the vehicle which is running is stopped temporarily and a loop switching device 4 is switched to the P1 side, and a vehicle whose shunting is desired is stopped at Pn-2. Thereafter, the device 4 is returned to its original state again and all the cars are started simultaneously.
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