An overhead transport system includes a first placement part that can have placed thereon an article held by an article holder in a state where the article is placed thereon, and also articles do not interfere with each other when the article holder and a lift driver are projected; a second placement part that can have placed thereon the article held by the article holder in a state where the article holder and the lift driver have been projected by the second projection length by the lateral extender; and a third placement part arranged below the track and can have placed thereon an article held by the article holder, wherein the first and third placement parts are provided at the same height.