Subway service on Line 1 between Sheppard-Yonge and Eglinton stations will end at 11 p.m. nightly from Monday, September 21 to Thursday, September 24, 2020 for maintenance and Automatic Train Control signal system installation. Regular service will resume at approximately 6 a.m. each following morning. Shuttle buses will operate.

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.