It forms an S-shaped route encircling the city center, constituting the western segment of the light rail loop and extending as an outer-loop branch to the Jingyue area.

This line operates with low-floor light rail vehicles rather than the conventional rapid transit rolling stock.

In contrast to subsequent lines, Line 3 predominantly operates at ground level in its western section, running parallel to the Jingha railway, and primarily travels on elevated tracks in the eastern portion.

It runs in a north-south direction, close to the Yitong river, making up the east half of light rail loop.

However, it differs in that it operates entirely on elevated tracks as opposed to running partially underground.

Line 8's color is teal.The Phase 3 (2019-2024) expansion of Changchun Rail Transit was approved by the NDRC on November 30, 2018.