Line 18 is a north–south Shanghai Metro line running from South Changjiang Road station in the city's Baoshan District to Hangtou station in Pudong, with a length of 36.13 km (22.45 mi). The line was originally scheduled to open by the end of 2020. However, officials announced that only the initial segment of eight stations in Pudong started test runs in September 2020. The 14.5 km (9.0 mi) southern section opened for passenger operations on December 26, 2020. The remainder of the line was opened on 30 December 2021. The line is 44.8 km (27.8 mi) long with 31 stations. The line is one of Shanghai Metro's new batch of high capacity fully automated and driverless lines along with Lines 14 and 15. The line is colored tan on system maps.