Line 3 is a north-south line of the Shanghai Metro network. Its older rolling stock carry a bright yellow colour belt to differentiate them from Line 4 trains which share a portion of its route, while the newer stock features a yellow and purple livery, which the exact line is labelled using sticker or screens saying “Line 3” or “Line 4”. Unlike the majority of the lines in the Shanghai Metro system, Line 3 is primarily elevated, entirely above ground except for , located at the entrance to Baosteel Group Corporation. The line runs from in the north to in the southwest of the city, where it meets line 1. While line 1 goes straight through the city center, line 3 roughly follows the Inner Ring Road around the city from to (where it turns eastwards to join the route of the Shanghai–Nanjing railway). The line has about 300 drivers. Between December 26, 2000 and August 8, 2002 the line operated under the name Pearl Line; On August 8, 2002 it was renamed as Rail Transit Line 3. The line is colored yellow on system maps. History This line followed the route of historic railway lines Shanghai-Hangzhou Railway Inner Circle Line from Shanghai South Railway Station to Shanghai Railway Station, and Songhu Railway from Baoshan Road station to Jiangwan Town station. December 26, 2000: Shanghai South-Jiangwan Town (trial opening) August 2001: Shanghai South-Jiangwan Town (official opening) January 2004: As part of the Shanghai South reconstruction scheme, Line 3 suspended service at the station, operating between Shilong Road and Jiangwan Town. June 10, 2004: Service suspended at Shilong Road, Longcao Road and Caoxi Road for automatic signal system testing and restoration of land subsidence at these three stations. Service was restored at these stations on July 24. October 15, 2005: Service to Shanghai South Railway Station was restored after the completion of the reconstruction scheme. December 18, 2006: Line 3 was extended from Jiangwan Town further north to Jiangyang North Road, providing rapid transit service to neighbourhoods in Baoshan, as well as to the Baosteel Group Corporation. In October 2006, according to a new naming scheme, East Wenshui Road station was renamed Dabaishu station. The scheme stressed naming stations after existing toponyms, sights and attractions (if any) rather than simply after neighbouring vertical streets, making it easier for visitors to find these places. In this particular case, the renaming aimed also