The line runs from north-east to south-west and avoids the centre of Chengdu.
History
On 11 July 2016, NDRC approved the 3rd phase expansion for the Chengdu Metro, consisting of Line 6 phase 2 and 3, Line 8 Phase 1, Line 9, Line 10 Phase 2, Line 17 Phase 1, and Line 18.[2] The third phase was to be simultaneously built with the already under construction second phase.
On 11 April 2020, Chengdu Metro reported that track-laying for Line 8 was completed.[3]
On 8 August 2020, Line 8 's whole line power network passed quality assessment.[4]
On 18 Dec 2020, Line 8 Phase 1 opened along with: Line 6 Phase 1/2/3, Line 9 Phase 1, Line 17 Phase 1, Line 18 Phase 2, marking the completion of all Phase 2 and 3 projects.[5]
On 18 May 2020, Line 8 Phase 2, Line 27 Phase 1, Line 30 Phase 1 started construction. This marks the date all 4th Phase projects started construction.[6]
On 27 March 2023, Line 8 Phase 2 finished Longgang~Lianhua section tunnel work. Line 8 Phase 2 entered railroad construction, electrics, and refurbishment stage.[7]
On 19 December 2024, Line 8 Phase 2 opened for service.[8]
