Line S1 (Nanjing Metro)

Line S1 of the Nanjing Metro, is a suburban metro rail line serving the southern suburbs of Nanjing, running from to. It connects Nanjing South railway station with Nanjing Lukou International Airport. It is 34.9 km long has 8 stations. The line started construction on December 27, 2011, and was opened on July 1, 2014. In September 2011 a contract for 15 6 car Class B metro trains was given to CSR Corporation Limited, with the first train arriving in August 2013.

Line S1 also serves as the first stage of the Nanjing–Gaochun intercity railway, with Line S9 serving as the second stage.