By the end of 2016, there were a total of 289 bus routes in Harbin, with 7,408 buses in operation, forming a comprehensive transport network connecting urban and suburban areas in the city. The number of taxis was 18,193, with annual passenger capacity reaching 570 million. The construction of metro system in Harbin started in 2008. According to the construction plan, the city will build a total of ten metro routes in 20 years. So far, the first and second stages of No 1 metro route, as well as the first stage of No 3 metro route have been put into use. The No 1 route in operation runs between Harbin South Railway Station and Harbin East Railway Station, covering 18 stations, including Harbin Engineering University, the First Affiliated Hospital of Harbin Medical University, Harbin Institute of Technology, Heilongjiang University and the Second Affiliated Hospital of Harbin Medical University. The section of No 3 metro route in operation links the Second Affiliated Hospital of Harbin Medical University with Harbin West Railway Station, with two stops at Harbin Street and Haxi Street.