A transmission apparatus, comprising: a dog clutch transmission mechanism including a first stationary gear capable of relative rotation relative to a shaft and incapable of movement in a shaft direction, a second stationary gear capable of relative rotation relative to the shaft and incapable of movement in the shaft direction, and a movable gear provided on the shaft between the first stationary gear and the second stationary gear, and incapable of relative rotation relative to the shaft and capable of movement in the shaft direction, in which a dog for being engaged with a dog formed on a lateral surface of the first stationary gear to transmit rotation of the shaft to the first stationary gear is formed on one lateral surface of the movable gear, and a dog for being engaged with a dog formed on a lateral surface of the second stationary gear to transmit the rotation of the shaft to the second stationary gear is formed on another lateral surface of the movable gear; an actuator for moving the movable gear in the shaft direction; and a control device for driving the actuator, characterized in that the control device is configured to drive the actuator to apply, when the movable gear moves from a state in which the dog thereof is engaged with the dog of the first stationary gear toward the second stationary gear, a force directed opposite from a direction toward the second stationary gear to the movable gear after engagement between the dog of the first stationary gear and the dog of the movable gear is released, until the movable gear reaches a position where the dog of the movable gear contacts the dog of the second stationary gear. a dog clutch transmission mechanism including a first stationary gear capable of relative rotation relative to a shaft and incapable of movement in a shaft direction, a second stationary gear capable of relative rotation relative to the shaft and incapable of movement in the shaft direction, and a movable gear provided on the shaft between the first stationary gear and the second stationary gear, and incapable of relative rotation relative to the shaft and capable of movement in the shaft direction, in which a dog for being engaged with a dog formed on a lateral surface of the first stationary gear to transmit rotation of the shaft to the first stationary gear is formed on one lateral surface of the movable gear, and a dog for being engaged with a dog formed on a lateral surface of the second stationary gear to transmit the rotation of the shaft to the second stationary gear is formed on another lateral surface of the movable gear; an actuator for moving the movable gear in the shaft direction; and a control device for driving the actuator, characterized in that the control device is configured to drive the actuator to apply, when the movable gear moves from a state in which the dog thereof is engaged with the dog of the first stationary gear toward the second stationary gear, a force directed opposite from a direction toward the second stationary gear to the movable gear after engagement between the dog of the first stationary gear and the dog of the movable gear is released, until the movable gear reaches a position where the dog of the movable gear contacts the dog of the second stationary gear.