Line 27 (Bishan to Huimin section) will be 56 kilometres (35 mi) long, all stations except Bishan will be located underground.

[1] Trains will run at a maximum speed of 140 kilometres per hour (87 mph).

[4][5] The line will feature passing loops for express services.

[2] Construction of the Yangtze River Tunnel of Line 27 (about 800 meters long) started in May 2024.

This Chinese rapid transit article is a stub.