Line 4 of Chongqing Rail Transit is a rapid transit line in Chongqing, China.
Since June 2020, some Express trains through operate from Line 4 into the Loop line.
Opening timeline
Stations
Phases 1 and 2
Phase 1 (Min'an Ave. – Tangjiatuo) is in length (underground section is , elevated section is ). In June 2018, debugging of the first segment of Phase I commenced. Phase 1 of Line 4 began operating on December 28, 2018.
Phase 2 (Tangjiatuo – Huangling) is in length ( underground and elevated) with 15 stations (10 underground stations and 5 elevated stations). In 2022, debugging of this segment commenced. The segment opened on June 18, 2022.
Western Extension
Under construction
The Western extension of Line 4 started construction in March 2021. It will add 9 more stations west of station. The extension is in length.