Caption: GO cab car 247 leads Barrie-bound train 801 out of the south end of Toronto's Union Station. To the right, 233 is waiting to depart with a Milton-line train on platform 27. Tracks 11 & 12 of the train shed are undergoing renovations as part of GO Transit's station modernization program. In the distance on the right, Scott St. interlocking tower can also be seen, along with the smokestacks of power generation plants off in the Portlands.