Running entirely in the district of Pudong, Line 16 is a suburban metro line linking the Line 11 station at Luoshan Road with Dishui Lake with a journey time of 50 minutes. The 52.9km line has just 11 stations and with a minimum distance of 2.6km between stops trains reach speeds of up to 120km/h, making Line 16 the city's fastest metro line.

The second phase, which will extend the line north to an interchange with metro Lines 2 and 7 and the Shanghai Airport Maglev at Longyang Road is due to be completed by the end of this year.

The initial 19km section of Line 12 between Tiantong station in Zhabei and Jinjing Road in Pudong was also opened on December 29. The 15-station line is expected to carry around 90,000 passengers per day.

The opening of these lines takes the total length of the network to 538km with 329 stations. On December 31 the network carried a record 8.9 million passengers.