becoming the first Shanghai Metro line to provide access to Fengxian District. The extension crosses the Huangpu River using the Minpu Second Bridge, the first Shanghai Metro line which crosses the river by bridge. The total length of the extension is in length, with underground and the remainder being elevated. As a result of the extension, the segment of line 5 between Dongchuan Road and Minhang Development Zone stations was designated as a branch service, while the main service ran from Xinzhuang to Fengxian Xincheng stations. The branch line was operated as a separate service from the main line, thus still necessitating a transfer at Dongchuan Road station. This was due to the fact that four-car trains ran on the branch service, while six-car trains ran on the main line. This arrangement ended on 26 December 2020, now service on the branch line continues straight through to Xinzhuang With four-car trains from the branch line and six-car trains from the mainline running in mixed operation in the joint section between Xinzhuang and Dongchuan Road stations. Additionally, the fare system of the line reverted to a pricing similar to other Shanghai Metro Lines. Controversy During the trial operation of the southern extension section Shanghai Metro received complaints from residents of Pujiang Building on noise. In order to effectively control the impact of the noise caused by the train operation, on the premise of not affecting the overall capacity of line 5, a speed limit of 20 km/h was implemented between Station and Station. Stations Service routes Important stations Future expansion There is currently a reserved and unopened station on the phase two extension of the line, which would be named station, located south of the current terminus at Fengxian Xincheng station. A further expansion of the second phase may see the line extended further south via Nanqiao town, Zhelin town to Haiwan town. The branch line between Dongchuan Road and Minhang Development Zone stations is expected to be replaced by Line 23, entirely underground, running to Shanghai Indoor Stadium station. Line 23 is expected to extend west from to Chedun on the Jinshan line. A north extension was planned to . Plans have been abandoned as this extension is now part of the under construction Jiamin line. Headways <onlyinclude> <onlyinclude> Technology Signalling Between 2014 and 2018 the signalling system of line 5 has been updated from the Siemens ZUB 200 to