As of November 29th, all Milton, Kitchener, Lakeshore West, and Barrie weekday afternoon trains departing from Union Station will begin using different platforms for the next phase of construction at the station. Metrolinx be opening up platforms 4, 5, and 6 for arriving and departing train service. All trips on Milton, Kitchener, Lakeshore West, and Barrie will be affected. Please remember to check the departure boards before heading up to your platform. Note that train times will not change with these platform changes.