Line 11 (Shanghai Metro) Line 11 (Shanghai Metro) Line 11 is a northwest-southeast line of the Shanghai Metro network. Since October 2013 Line 11 serves Kunshan city also and it is the second intercity metro in China after the Guangfo Metro, and the first that crosses a provincial boundary. Services run at 5-minute intervals from either or to (though a limited number of peak-hour services originating at Huaqiao terminate early at ). The line is colored brown on system maps. The 1st phase of Line 11, which runs from to , opened on 31 December 2009. A branch line from opened on 29 March
Line 4 (Shanghai Metro) December 31, 2005. The remainder of the line opened on December 29, 2007. The line is colored purple on system maps. Line 4 (Shanghai Metro) Line 4 is a loop line of the Shanghai Metro network. Its rolling stock carry a bright violet colour belt to differentiate them from Line 3 trains which share a portion of its track. To determine the direction of travel, the line that travels counter-clockwise is called the "Outer Loop" (), while the other line is known as the "Inner Loop" (). Although it is a loop line, trains returning to the depot use as