CONVEYANCE TRUCK MOVING SYSTEM, CONVEYING LINE AND CONVEYING METHOD

PROBLEM TO BE SOLVED: To provide a conveyance truck moving system that can perform work in vertical two steps of a lower side to base components, and an upper and lateral sides to base components, in the same time zone by separate operators.SOLUTION: The conveyance truck moving system 1 is configured to continuously move a plurality of conveyance trucks 3 which mount base components 8 to assembly working processes. In between conveyance trucks 3 which adjoin mutually, an upper part workbench 7 is built over the plurality of posts 44D of the conveyance truck 3A and the plurality of posts 44C of the conveyance truck 3B. On a floor 2 which the conveyance truck 3 moves, a fixed workbench 15 is installed on lateral both sides of a moving direction D of the conveyance truck 3 to the upper part workbench 7. The conveyance truck moving system 1 is configured to allow an operator M work to the base components 8 in the workbenches of vertical two steps including the lower side workbench 5, and the upper side workbench 7 and the fixed workbench 15, when the plurality of conveyance truck 3 continuously move.