TORONTO — GO Transit’s operating problems from a Monday derailment will extend into a fifth day, with the commuter rail service continuing to run a reduced schedule through Friday, provincial transit agency Metrolinx said this afternoon (Thursday, Feb. 5).
The regular schedule is now projected to resume on Saturday, Feb. 7.
“Our crews are continuing to work around the clock to finish repairs on our tracks, complete testing of the signals, and return damaged infrastructure to service so we can add more train service,” Metrolinx said in a statement reported by the CBC.
The plans through Friday will retain the pattern used on Wednesday:
Three lines — Lakeshore East, Lakeshore West, and Kitchener — will see service at 60-minute intervals, except for 15- to 30-minute headways during morning and evening peak periods. Three others — Milton, Stouffville, and Barrie — will see 30-minute morning and evening peak service, while the Richmond Line will see 60-minute morning and evening peak service. Details and updates will be available at the GO Transit website.
The issues stem from a Monday morning derailment as a train departed Toronto Union Station, damaging track and signal infrastructure [see “Low-speed derailment disrupts …,” Trains.com, Feb. 2, 2026]. While most trackwork is complete, the signal repairs are continuing, parent agency Metrolinx said in a Wednesday afternoon update, with impacts likely to “extend into the coming days.”
— Updated at 6:55 p.m. CT with plans for Friday and Saturday. To report news or errors, contact trainsnewswire@firecrown.com.

The 2 sides of this repair work brings up questions.
1. Are the turnouts approaching the terminal unique? Does GO not have any spares. As well were the turnouts installed originally by CN and does CN have any replacements?
2. The same questions about the signaling equipment can also be asked.
As well the question remains why does GO not have some spares in stock?