At 17 metres (56 ft) below the surface,[3] the lower level of the station has two side platforms and two tracks, and above these there is a full-length mezzanine. The platforms are 170 m (560 ft) in length.[3] Large rectangular pillars support the upper levels. The station features a caterpillar-shaped street-level bus area, which is covered by a fiberglass-reinforced PVC fabric membrane roof.[4] It is 120 m (390 ft) long and 25 m (82 ft) wide.[4]