PURPOSE: To perform smooth transfer of a car by means of two vertical carriage conveyors on both sides.

CONSTITUTION: In a solid parking area wherein a car C at a garaging port is transferred to the inlet of a parking room 2 by means of vertical carriage conveyors 11a and 11b arranged in two rows in parallel to each other, a unit conveyor 12 to transfer the single car C by means of the vertical carriage conveyors 11a and 11b in two rows are arranged in series in a plurality of rows. A delivery roller 13 is arranged between the unit carriage conveyors 12 and the unit carriage conveyors 12 each consisting of the vertical carriage conveyors 11a and 11b in two rows are arranged in a manner that displacement in a position occurs in an advancing direction.