To smooth operation at the time of moving an operation lever to a vehicular lateral direction by stopping accurately at a prescribed neutral position the operation lever returned from the front side of its neutral position toward the rear side.

An impeding means 19 is provided with the second turning body 22 provided in the vicinity of the first turning body 8, the first engaging arm 26 projected on the first turning body 8, the scond engaging arm 27 projected on the second turning body 22, and a stopper arm 28. When an operation lever is moved from the front side of its neutral position toward the rear side passing the neubal position, the projected end of the stopper arm 28 is brought into contact with one part of a body stationary side member 5 to bring the first engaging arm 26 turning together with the first turning body 8 into pressure contact with the second engaging arm 27, more turning of the first turning body 8 is impeded, and respective pressure contact faces 26a, 27a of the first and second engaging arms 26, 27 brought into pressure contact each other are brought into face contact mutually.