On August 21, 2019, Line 30 is approved officially as part of the fourth phase expansion for the Chengdu Metro by the National Development and Reform Commission, confirming it for 2019–2024's subway construction plan.
On March 18, 2020, construction started on Line 8 Phase 2, Line 19 Phase 2, Line 27 Phase 1, and Line 30 Phase 1.[4]
On July 17, 2020, Construction officially started for the 4 stations on Line 30 in Longquanyi District.[5]
In Dec 2022, Phase 1 finished Financial City North's water/cable/pipe reroute, marking station's main structure construction enters next stage.[6]
On Dec 22 2022, Phase 1 finished Jiaozi Flyover's structure construction.[7]