The TTC is shutting down subway service on part of Line 1 this weekend Stay in the loop Sign up for our free email newsletter. Unsubscribe anytime or contact us for details. If you're planning an essential outing this weekend that involves taking Line 1 on the subway, be sure to take note of the fact that a portion of the line will be completely shut down. On Saturday Jan. 23 and Sunday Jan. 24, there will be no subway service on Line 1 between Finch and St. Clair stations to accommodate work on the Eglinton Crosstown Light Rail Transit construction project. "TTC will take advantage of this closure to conduct work on the Automatic Train Control signal system project," reads a news release from the transit system. "Shuttle buses will operate."