Starting on Sept. 3, until Oct. 7, schedules will be adjusted along the Richmond Hill line to accommodate ongoing construction.

• Trains departing Union Station will arrive at Bloomington GO three minutes later. 
• Trains departing Bloomington GO will arrive at Union Station three minutes later.

Starting late on Friday, Oct. 11 until 4 a.m. on Tuesday, Oct. 15, there will be no rail service between Maple GO and Allandale Waterfront GO due to construction along the Barrie line, with regular service operating between Union Station and Maple GO. Replacement GO buses will be available.  

On Tuesday, Oct. 15, trains will not be stopping at King City GO until 2:00 p.m.

• All Barrie line trains will be replaced by GO bus service.
• Replacement GO buses will operate between Allandale Waterfront, Barrie South, Bradford, East Gwillimbury, Newmarket, Aurora, King City, Maple, Rutherford GO and Hwy 407 station.
• There will be no GO Transit service at Downsview Park GO. Please consider local transit options. 

• All Lakeshore West train service will operate on an hourly schedule.
• For those who normally connect from the Lakeshore East service to travel west, not all trains will continue past Union Station.
• GO bus connection times will be adjusted.

• There will be no Stouffville line train service in or out of Union Station.
• Stouffville line trains will run between Old Elm/Mount Joy and Kennedy GO.
• To travel to Union Station from Kennedy Station, use TTC line 2 subway to Bloor/Yonge. Transfer to TTC 1 southbound to reach Union Station.

• All Lakeshore East train service will be replaced with GO bus.
• Replacement GO buses will be available at Durham College Oshawa, Whitby, Ajax, Pickering GO and Union Station Bus Terminal.
• There will be no GO Transit service at Rouge Hill, Guildwood, Eglinton, Scarborough or Danforth GO stations. Please use TTC.

• All Lakeshore East train service will be replaced with GO bus.
• Replacement GO buses will be available at Durham College Oshawa, Whitby, Ajax, Pickering GO and Union Station Bus Terminal.
• There will be no GO Transit service at Rouge Hill, Guildwood, Eglinton, Scarborough or Danforth GO stations. Please use TTC.

• There will be no Stouffville line train service in or out of Union Station.
• Stouffville line trains will run between Old Elm/Mount Joy and Kennedy GO.
• To travel to Union Station from Kennedy Station, use TTC line 2 subway to Bloor/Yonge. Transfer to TTC 1 southbound to reach Union Station.

• All Lakeshore line train service will operate on an hourly schedule.
• For those who normally connect from the Lakeshore East service to travel west, not all trains will continue past Union Station.
• GO bus connection times will be adjusted.
• There will be some late night service adjustments on November 29.

• All Lakeshore line train service will operate on an hourly schedule.
• For those who normally connect from the Lakeshore East service to travel west, not all trains will continue past Union Station.
• GO bus connection times will be adjusted.
• There will be some late night service adjustments on December 6.

• All Lakeshore line train service will operate on an hourly schedule.
• For those who normally connect from the Lakeshore East service to travel west, not all trains will continue past Union Station.
• GO bus connection times will be adjusted.
• There will be some late night service adjustments on December 13.

• All Lakeshore line train service will operate on an hourly schedule.
• For those who normally connect from the Lakeshore East service to travel west, not all trains will continue past Union Station.
• GO bus connection times will be adjusted.
• There will be some late night service adjustments on December 20.