Subway service on Line 1 between Sheppard-Yonge and St Clair stations end at 11 p.m. from Monday, October 19 to Thursday, October 22, 2020 for tunnel and signal upgrades. Shuttle buses will operate. Regular service will resume at approximately 6 a.m. each following morning.

All stations will remain open for the purchase of PRESTO fares and connection to Line 4 and surface routes.

At York Mills Station, the Old York Mills Road entrance will be closed. Customers are advised to use the other station entrances located in the York Mills Centre, Yonge Corporate Centre, and at the corner of Yonge Street and Wilson Avenue.

At Lawrence Station, the automatic entrances at Ranleigh Avenue and Bedford Park Avenue will also be closed. Customers are advised to use the entrances at Yonge Street and Lawrence Avenue.