Line 1 Yonge-University: Delays northbound at York Mills station while we respond to an emergency alarm. Started (Updated )Line 4 Sheppard: There will be no subway service between Sheppard-Yonge and Don Mills stations, starting 11:59 p.m., nightly Monday, July 27 to Friday, July 31, due to planned track work. Shuttle buses will operate. Started Fri Jul 24 Until Fri Jul 31 (Updated Fri Jul 24 )Line 5 Eglinton: Delays at Kennedy station while the maintainer fixes a track problem. Started (Updated )