Line 16 of the Hangzhou Metro (Chinese: 杭州地铁16号线; pinyin: Hángzhōu Dìtiě shíliù hào xiàn)^[3] is a metro line running east–west from Lvting Road in Yuhang District to Jiuzhou Street in Lin'an District. The total length is 35.12 km (21.82 mi).^[1] The line is colored light orange on system maps. The line began construction in early 2016^[4] and opened on 23 April 2020.

This line has a total length of about 35.12 km and a total of 12 stations. The average distance between stations is about 3.13 km, including 8 underground stations and 4 elevated stations. Each station usually with one staff on the platform and 4 staff on concourse for security check,two per entrance. Elevated section starts from around 500m before Nanhu, and ends at halfway after Babaili. All stations in elevated section are equipped with 2 air-conditioned waiting rooms. All washroom are outside the gates,except Lvting Road. The length of the line is 20.7 km in Lin'an District, with 6 stations (4 underground stations); in Yuhang District, the length is 14.3 km, with 6 stations (4 underground stations). The maximum operating speed of the line design is 120 km/h (75 mph), acceleration process takes around 600m to complete, and the average operating speed is 60 km/h (37 mph),^[5] about 38 minutes one way.^[6] The line trains are powered by 4 B-type [zh] cars and a 1500 V DC overhead catenary. A comprehensive vehicle base is set up in Xiaquan Village, Lin'an District, and the control center is located in the control center of Hangzhou Metro. The project uses a 35kV decentralized power supply scheme.^[7]

• Hangzhou Metro