Line 2 is an east-west line of the Shanghai Metro network. With a length of nearly 64 km, it is the second longest line in the metro system after Line 11. Line 2 runs from East Xujing in the west to Pudong International Airport in the east, passing Hongqiao Airport, the Huangpu river, and the Lujiazui financial district in Pudong. With a daily ridership of almost 1.5 million, it is the Shanghai Metro's busiest metro line. The eastern portion of the line, from Guanglan Road to Pudong International Airport, operates independently from the main line. The line is colored light green on system maps.