Kaohsiung Metro is a rapid transit and light rail system covering the metropolitan area of Kaohsiung, Taiwan. Its rapid transit network is known as Kaohsiung Mass Rapid Transit or Kaohsiung MRT. Launched on 9 March 2008, the MRT has played an important role in facilitating efficient and convenient travel across the city. Kaohsiung Metro is composed of the Red Line and Orange Line with 37 stations covering a distance of 42.7 km (26.5 mi). Of these, 27 stations are underground, 8 of which are elevated and 2 are at grade level. There are full height platform screen doors at all underground stations. Platform screen doors supplied by ST Electronics have been installed at all underground stations. LCD television units are also installed at the platform doors to broadcast train information and advertisements. All stations are wheelchair accessible.