The scope of work to be completed encompassed a full overhaul of 23 MCI D4500, model year 2008/2009 buses.
Toronto's Union Station Undergoes Revitalization, Restoration Program
Several critical factors had to be considered throughout, including uninterrupted rail operations, safe pedestrian flow through the station, adequate egress capacities, fire/emergency access, ongoing power and systems operations, and feasible constructability.