With full gates. For single-track routes with a minimum straight length of 60.0 cm / 23-1/2". Rocker frame is pushed down by locomotive and cars passing over it and closes the gates. Metal base and superstructure. With crossbuck warning signs on the sides. Includes 2 sections 5903 straight track. Base size 30.0 cm x 30.0 cm / 11-3/4" x 11-3/4".