TTC signal and maintenance work on Line 1 this weekend
This weekend, March 5-6, subway signal and maintenance work being undertaken between St George and Lawrence West stations will require that portion of Line 1 to close. Over the course of the weekend, TTC crews will lay 37,000 feet of cable for the TTC’s new Automatic Train Control (ATC) signal system, replace 2,700 feet of track, grind 6,000 feet of rail to ensure a smooth journey, and conduct station cleaning and other maintenance work.
Shuttle buses will operate, stopping at subway stations only along the route. However, as Metrolinx is performing additional work at Eglinton West Station, the shuttle bus will stop at the intersection of Eglinton Ave. W. and Bathurst St. rather than at the station. This Metrolinx work will also require the 63/363 Ossington and 109 Ranee buses to divert.
Wheel-Trans buses will be available for customers who require accessible transit. Customers can speak to any staff member at any station to request the service.
When installation is complete in 2019, ATC will result in a more modern, reliable signal system and a 25 per cent increase in capacity on Line 1. While the TTC does much of its subway maintenance work at the conclusion of service each night, it will continue to require weekend closures to complete ATC and state-of-good-repair work, like replacing track and keeping switches well-maintained. One weekend of work during a subway closure is equivalent to about five weeks of nightly work.
The TTC has produced a video that explains closures and the work that it does at night and during weekend closures. The video is available on the TTC’s Official YouTube Channel 
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This is the first of a number of subway closures scheduled for 2016. The next three closures include:
• March 19 and 20: Line 1 Yonge-University, St George to Lawrence West closure.
• April 2: Line 2 Bloor-Danforth, Kennedy to Victoria Park closure.
• April 3: Late opening of Line 2 Bloor-Danforth, Pape to St George.