Line 4 of

Chongqing Rail Transit The Chongqing Rail Transit (branded as CRT; also known as Chongqing Metro) is the rapid transit system in the city of Chongqing, China. In operation since 2005, it serves the transportation needs of the city's main business and entertainment ...

is a rapid transit line in

Chongqing Chongqing ( or ; ; Sichuanese dialects, Sichuanese pronunciation: , Standard Mandarin pronunciation: ), Postal Romanization, alternately romanized as Chungking (), is a Direct-administered municipalities of China, municipality in Southwes ...

, 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 15.754 km in length (underground section is 11.075 km, elevated section is 4.679 km). 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 32.8 km in length (21.25 km underground and 11.55 km 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 11 km in length.

References

{{Chongqing Rail Transit