Line 10 of the Suzhou Metro () is an under construction north–south regional rapid transit line in Suzhou, Jiangsu, China. 10号线（苏虞张段）先导段工程可行性研究报告正式获批 - 苏州轨道交通 The Northern section of Line 10 is 90.34 km in length with 21 stations, including 13 elevated stations and 8 underground stations. The line was formerly known as Suzhou Rail Transit Line S5.
Later sections of the line under planning will continue south through the city center of Suzhou to Wujiang District, Suzhou creating a north-south express regional rapid transit line.
The line is designed for trains to operate up to 160 km/h and have passing loop for Direct Express and Express services to operate.
As of 2026, the line had been discontinued.
Stations The line has a total of 21 stations spanning across Suzhou, Changshu & Zhangjiagang cities in Jiangsu. The following are the 3 types of services provided along the line: L - Local services R - Rapid express services D - Direct express services L R D Station name Connections Structure Location ● ● ●ElevatedZhangjiagang ● | | ● ● |Underground ● ● ● ● ● ● ● ● | ● | |Elevated ● ● |Zhangjiagang Railway StationUnderground ● | |ElevatedChangshu ● ● |Changshu Railway Station CAUUnderground ● ● ●Elevated ● ● | ● ● ● ● ● ●Underground ● ● |Elevated ● | | ● ● | ● ● ●Xiangcheng District, Suzhou ● ● | ● ● ● ● ● ● OHHUnderground
History Construction of the Northern section, known as the Suyuzhang section, started on January 2, 2023. It is expected to open in 2028.刚刚！地铁10号线（苏虞张段）开工 - 新浪财经（转载自姑苏晚报） 2023年1月2日 The length of this section is 90.34 kilometers.
It runs through Zhangjiagang North Railway Station, Zhangjiagang Coach Station, Zhangjiagang Railway Station, Tangqiao, Fenghuang, Shanghu, to urban Suzhou at Suzhou North Railway Station and connects the Suzhou city to county-level cities of Zhangjiagang and Changshu, which are under the administration of Suzhou.
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