Subway service on Line 1 between St Clair West and Union stations will end at 11 p.m. each night from Monday, April 29 to Thursday, May 2, 2019 due to installation of the new Automatic Train Control signalling system. Service will resume by 6 a.m. each following morning.

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.