张江高科技园区
The first section of Line 2 was opened on October 28, 1999, from to . This section, which included 12 stations, totaled . A year later, was added to the eastern part of the line, adding . Four new stations, located west of the Zhongshan Park station, opened in December 2006, extending the line to . This section added to the line. Four years later, in preparation for the 2010 Shanghai World Expo, the line was significantly expanded. In February, the Zhangjiang Hi-Tech Park station was rebuilt. In addition, another eastern segment took Line 2 to . A month later, the line was extended westward to , adding to the line including a stop at . On April 8, an eastward extension added 8 stations to the line, totaling and taking Line 2 to . On July 1, opens to the public with the opening of the railway station of the same name.