The section from Xiaojie Station to Xizhan Station, which is about 20 kilometers long, has been opened.
On July 8, 2025, the northern section of Tianjin Metro Line 4 starts its initial operation. This section from Xiaojie Station to Xizhan Station passes through Beichen, Hebei, and Hongqiao districts, with a total length of approximately 20 kilometers. At Xizhan Station, passengers can transfer to Line 1 and Line 6 at the same platform.
Passengers should pay special attention that, when the northern section is opened, both the northern and southern sections will operate independently. The entire Line 4 will be fully connected once the remaining sections are completed.
The total length is about 30.8 kilometers, with 32 stations.
The total length is 81 kilometers, with a design speed of 250 kilometers per hour.
The total length is about 57.99 kilometers, with 21 stations.