Abstract: A method and apparatus for painting parts wherein a plurality of paint coats are applied to a part utilizing a single spray booth for all of the coat applications. The painting apparatus includes a main line track structure extending from a loading station to an unloading station; a closed loop branch track structure having a portion thereof juxtaposed to a portion of the main line track structure between the loading and unloading stations; a paint station located at the juxtaposed portions of the main line and the branch track structure; a plurality of carriers adapted to receive parts to be painted at the paint station and mounted for movement along the main line track structure and the branch track structure; and switch means operative to transfer a carrier between the main line track structure and the branch line track structure.