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Toronto the Great: Inside the $824M Revitalization of Union Station

  • Feb 25
  • 3 min read

For decades, the Great Hall of Toronto’s Union Station was affectionately (and perhaps arguably) known as the grandest hamburger stand on the planet.


Aerial view of illuminated historic train station at night, with cars on the street, nearby modern buildings, and visible "Scotiabank Arena" sign.
Image courtesy of: NOOR

Project Detail

  • Client: City of Toronto

  • Lead Architect: NORR Architects & Engineers

  • Heritage Architect: EVOQ Architecture

  • Train Shed Architect: Zeidler Architecture

  • Retail Designer: PARTISANS

  • Structural Engineer: NORR (Dr. Hassan Saffarini)

  • MEP Engineer: NORR Architects & Engineers

  • Construction Manager: Carillion / Vanbots

  • Retail Developer: Osmington Inc.


Today, following a 14-year, $824 million comprehensive overhaul, Canada’s largest multi-modal transportation hub has officially transformed from a mere pass-through into a world-class civic destination.


Led by NORR Architects & Engineers and heritage specialists EVOQ Architecture, the Union Station Revitalization Project has expanded the historic 1927 Beaux-Arts facility to handle a projected 130 million passengers annually. By seamlessly blending bravura engineering with careful historical preservation and a vibrant new retail strategy, the station is now positioned as a premier cultural and culinary hotspot in the heart of downtown Toronto.


Floor plan of a transit station with labeled areas: GO Transit, VIA Concourse, waiting rooms, washrooms, and retail spaces. Streets marked.
Image courtesy of: NOOR

An Engineering Marvel Under the Tracks

To accommodate the staggering growth in commuter traffic—currently sitting at 65 million passengers a year—the design team had to get creative. Instead of building up, they dug down.


The ambitious project carved out a 270,000-square-foot expansion four meters below the existing basement level, effectively doubling the size of the previous Bay Street GO concourse and adding a brand-new York Street GO concourse.


The "Dig-Down" Feat: To achieve this without halting transit, 185 track-supporting columns were jacked up, transferred onto bedrock-supported micro-piles, and cut away. Remarkably, 11 of the 12 tracks remained fully operational throughout, with track movement kept to less than three millimetres.


The Glass Moat: The previously open-air 'moat' surrounding the station has been levelled for accessibility and enclosed with a sleek, steel-ribbed glass canopy. This giant skylight protects commuters from the elements while offering stunning worm’s-eye views of the CN Tower, all while stopping just short of the heritage façade to preserve its structural integrity.


Heritage Restored: The majestic Great Hall underwent a colossal cleaning to remove a century's worth of train exhaust and cigarette smoke, restoring the exquisitely engineered Guastavino tile vault and historic Zumbro stone to their original glory.

Cross-section illustration showing transit concourse upgrades: existing, under construction, and new levels with pedestrians and a train.
Image courtesy of: NOOR

A New Culinary and Retail Destination

The dig-down didn't just create room for commuters; it unlocked 160,000 square feet of brand-new retail space, curated by retail developer Osmington Inc., turning the station into a foodie haven.


Say goodbye to the dead-end fast-food joints and hello to distinctly Torontonian retail neighbourhoods:

  • The Foodie Aisle: Located near the Scotiabank Arena entrance, this market-style corridor features a diverse selection of local chefs and quick bites, including Mean Bao, Butter Chicken Roti, and Grand Tacos Taqueria.

  • Union Market & Promenades: The Front and York Street Promenades act as the station's "Main Street," offering everything from fast-casual dining at the Union Food Court to sit-down experiences like Amano Italian Kitchen, WVRST, and the upscale Blue Bovine fine dining in the East Wing.




A Living Cultural Hub

Union Station is no longer just a place to catch a train; it is a lively venue for Toronto's arts and culture scene. As of early 2026, the station is actively programming its spaces to engage the public:

  • Art Exhibitions: The station is currently hosting Unionnale: Aura by Jason Zante in the Union Market, alongside the A Kind of Order exhibition in the West Wing, which amplifies Black voices and BIPOC creatives.

  • Live Music & Events: Commuters can regularly catch live DJ sets through the TD Union Beats program, or stumble upon interactive pop-ups like free local food samplings at the Bay Kiosk.




Award-Winning Architecture

The Union Station Revitalization proves that public infrastructure can still ennoble the fabric of a city. The project has already garnered significant industry acclaim, sweeping recent architectural honours:

  • AIA Canada Society Design Awards 2025 – Merit in Architecture

  • Toronto Urban Design Awards 2025 – Public Buildings in Context

  • Heritage Toronto Awards 2024 – Heritage Planning & Architecture Award in Built Heritage


By leveraging the value of an irreplaceable heritage building and expanding it from within, the City of Toronto and its partners have ensured that Union Station will continue to be the beating heart of the city for generations to come.


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