Line 11 Shenzhen Metro is currently under construction. The Airport Line has a length of 51.7 km and a total of 17 stations. It connects the CBDs of Futian, Nanshan and Qianhai to Shenzhen Bao'an International Airport and onward to Fuyong, Shajing and Songgang suburban areas. It serves as both a regional express line from the west coast of Shenzhen to the city core area and an Airport Express Line. Compared with the other lines of Shenzhen Metro, the Airport Line has a longer spacing between stops for higher speed service. The Airport Line started construction in April 2012, with the Futian - Airport segment scheduled to be opened traffic in 2015. The airport to BITOU segment will be open to traffic in 2016.
In 2007, the "Shenzhen city rail transit construction plan (2011 to 2020)" was publicly announced for the first time which included the planning of the Airport line. In the future, it will through operate into the Guangzhou-Dongguan-Shenzhen intercity line.
The airport line will use Size A subway trains in 8 car sets with a maximum speed of 120 km/h, they include two first-class cars. First class has transverse seating and luggage racks for airport passengers. To ride first class passengers have to pay a premium for a first class ticket, similar to the MTR East Rail Line.