Update: Extra train - Milton Line Started Until Mon Oct 6 We will now be running an extra train that will depart Union Station at 20:50, making all stops to Milton GO. You can use gotracker.ca to check what platform number this train will depart from and to see when this train is expected to arrive at your station stop.Please listen for announcements, spread out along the platform, and be cautious. Subscribe to On the GO alerts and receive customized, real-time alerts for schedule changes, construction updates and more. Sign up for On The GO alerts here.