Stadium, and the Weiwuying Park planning site before entering parts of the city formerly part of Kaohsiung County. The route continues along Zihyou Road, Guangyuan Road and Jhongshan East Road in Fengshan District to Daliao District. The total length of the line is approximately , with 14 stations on the route. All stations are underground except Daliao Station, which is at ground level. A single depot has been built beside Daliao station to serve the line. The Orange Line commenced passenger service on 14 September 2008. Circular light rail The Circular LRT Line (aka Kaohsiung LRT, Kaohsiung Tram) for Kaohsiung is a light rail line. Construction of Phase I, C1 Kaisyuan to C14 Sizhihwan began in June 2013. Phase I had operations in September 2017. A temporary light rail system for demonstration purposes, with just 2 stations, was built in the Central Park in 2004, using Melbourne D2 Tram cars from Siemens. As it was simply for demonstration purposes, it was closed soon after, and is no longer operational. Expansion projects Kaohsiung Metro is expected to be extended further into parts of Greater Kaohsiung, as well as Pingtung County. Active projects The Kaohsiung Underground Tunnel Project, extending from Baozhen Road, south of Zuoying Station, to Zhengyi Road, covers a distance of approximately . Alongside a twin-track tunnel, it will construct five commuter stations—Fine Arts Museum, Gushan, Sankuaicuo, Minzu and National Science and Technology Museum —as well as move underground Kaohsiung Station (R11 Station of Kaohsiung Metro included). The Zuoying Project runs from the new Zuoying Station to Baozhen Road, a length of , with the Neiwei and Zuoying stations to be moved underground. The Fengshan Project is the Kaohsiung project extension to Fengshan. It starts from the east of Dashun Overpass to Dazhi Overpass at Fengshan zone, covering a total length of about . The project includes adding one new underground commuter station Zhengyi/Chengqing station and the Fengshan Station underground. The Duration for the project is from 2006 to 2018. In 2016, subsequent works are under way on stations, tunnels and rail tracks. All projects Rolling stock The rolling stock is based on the Siemens Modular Metro design manufactured by Siemens Mobility. Trains run in 3 car sets (though platforms are designed to be able to accommodate up to 6 car sets, with the exception of Kaohsiung Main Station of only 3 car accommodations) and are powered by third rail.