by the NDRC in July 2017 and started construction in January 2018. Phase IV revised expansion (2020–2025) The first phase of Line 20 was fast tracked from Phase IV to provide a shuttle between Line 11 and a new International Convention Center, now called Convention & Exhibition City. The construction started in September 2016, but as for early 2019, the construction is paused because the Development and Reform Commission did not approve the project. The Phase IV revised plan approved by the NDRC on March 26, 2020, approved the first Phase of Line 20 allowing for construction to continue. The line eventually opened on 28 December 2021. Futian to Gangxia North in the first section of Phase 2 of Line 11 opened on 28 October 2022. Future expansion Phase IV expansion Line 12, 13, 14, 16, and the branch of Line 6 was approved by the NDRC in July 2017. Phase IV Revised Expansion The Phase IV revised plan approved by the NDRC on March 26, 2020, added a number of extension projects. Phase V (2023-2028) In the Shenzhen Metro 2007 masterplan proposed four more lines (Lines 13, 14, 15 and 16) which have a planned completion target of 2030. In 2016, all aforementioned lines but Line 15 were designated as part of the Phase IV expansion, moving the completion date forward from 2030 to 2022. In 2012, four further lines Qiannan (Line 17), Pinghu (Line 18), Pingshan (Line 19) and Fuyong (Line 20) where unveiled, making the total planned length of the Shenzhen Metro to spread out over 20 lines. The first phase of Line 20 was fast-tracked and included in the Phase III revised expansion with a completion date of 2018. This leaves Line 15, 17-19 and the rest of Line 20 available for the next phase (Phase V) of subway expansion. In September 2022, the Shenzhen municipal government confirmed the projects proposed to be included in its phase V expansion. A total of of new lines are proposed. Long-term plan Aside from the set masterplan, at the 12th Guangdong Provincial People's Congress in January 2014, it was proposed to extend Line 4 beyond the planned Phase III terminus at the Songyuan Bus Terminal in Guanlan. The proposal wanted to further extend this line to reach the future planned Dongguan Metro Line 4 at Tangxia station. This proposal aims to shorten the distance between the two cities in