In an automatic transmission having a clutch and a gear type transmission, a control unit for inputting detected signals from the operating condition detecting device, and outputting control signals to the gear changing device and the clutch drive device based on the detected signals. The control unit determines whether a stop intention condition of a driver is satisfied or not, and performs first gear change control for, if the stop intention condition is determined to be satisfied, disengaging the friction clutch and changing the gear type transmission to a neutral position, and second gear change control for, when an accelerator opening becomes greater than or equal to a predetermined value, after the friction clutch is disengaged and the gear type transmission is changed to the neutral position by the first gear change by the first gear change control, changing the gear type transmission to a gear according to a vehicle speed, and engaging the friction clutch.