The Hangzhou Metro () is a rapid transit system that serves Hangzhou in Zhejiang province, China. The system opened on November 24, 2012. It is the 17th city in China to operate a rapid transit system. Network Metro Commuter rail Description There are currently 13 lines (12 metro lines and 1 commuter rail) in operation. The adjacent Shaoxing Metro connects the system at Guniangqiao station of Line 5. Line 1 is an arc-shaped line, begins at Xianghu in Xiaoshan, stretches across downtown Hangzhou after crossing the Qiantang River and ends at Hangzhou Xiaoshan Int'l Airport. It connects West Lake, Hangzhou Railway Station, Hangzhou East Railway Station, Xiasha Higher Education Park and the Airport. It used to have a branch line to Linping District, which became part of Line 9 in July 2021. Line 2 links the Xiaoshan Industrial Park with Qianjiang Century City, Downtown Hangzhou and Liangzhu in Yuhang District. It runs in northwest–southeast direction. Line 3 begins in Xingqiao subdistrict in Linping District, runs in northeast–southwest direction and terminates at Wushanqiancun, North of Hangzhou West Railway Station. A branch commence near Xixi Wetland and connects Xiaoheshan Higher Education Park. Line 4 is a "?" shaped line that stretching from Puyan to Chihua Street in north Sandunzhen in Xihu District. It connects Puyan, West Lake scenic area south, Qianjiang New City, Hangzhou East Railway Station and several residential areas in the north part of the city. Line 5 is a "Z" shaped line stretching from Future Sci-Tech City in Yuhang District, passing multiple areas in the downtown and ends near Hangzhou-Shaoxing city limit. It provides multiple points of transfer and it is one of the busiest line in the system, serving more than 500,000 passengers per day. Line 6 connects Fuyang District with Olympic Sports Park, Qianjiang Century City, Asian Games Village and the Hangzhou East Railway Station. It is one of two metro lines linking the main venue of 2022 Asian Games. Line 7 links the West Lake with Qianjiang New City, Olympic Sports Park, Hangzhou Xiaoshan Int'l Airport and Dajiangdong Industrial Park. Line 8 provides a link between Xiasha Higher Education Park and Dajiangdong Industrial Park. Line 9 provides a link between Qianjiang New City and Linping District. The section between Linping and Coach Center was part of Line 1 until 10 July 2021. Line 10 provides a North–South link between Huanglong Sports Center and Renhe subdistrict in