Subway service on Line 1 between St Clair West and Union stations will end at 11 p.m. each night from Monday, March 4 to Thursday, March 7, 2019 due to installation of the new Automatic Train Control (ATC) signalling system.

Shuttle buses will operate. Wheel-Trans service will be available for customers requiring accessible service within the closure area. Customers may request the service from any TTC employee.