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USEP Regional Express Rail Package 3 / On Corridor


The Union Station Enhancement Project (USEP) is the enhancement and expansion of Union Station to accommodate more frequent (and higher speed) train service, increased passenger demand levels, and the electrification of the Metrolinx rail network throughout the Greater Toronto and Hamilton Area.

Smith + Andersen is the mechanical and electrical design consultants for this Alternative Financing and Procurement (AFP) project. The electrical design scope for this project also includes low voltage systems. This project is part of the multi-billion dollar electrification of Metrolinx's rail system (which supports the transition away from diesel-powered trains and facilitates the requirements of high-speed rail).

This AFP project reconfigures the platforms and tracks within the existing heritage trainshed. Widening platforms and straightening tracks better accommodates higher speed, electric trains and more frequent train schedules. The project also features improvements to the station's vertical access in order to aid passengers with more timely access to platforms.

This project integrates previous grounding and bonding provisions installed as part of earlier projects into a complete system. Additionally, the project includes a large integrated art installation, with the trainshed roof acting as a canvas.

Project construction coincides with the fully-operational Union Station Rail Corridor (USRC). The project involves extensive coordination with the $850-million City of Toronto Union Station Revitalization Project and the neighbouring 81-141 Bay Street development (which includes an overbuild bridge that spans the USRC directly east of the existing Union Station Trainshed).

The scope of this development also requires widespread track protection coordination with GO Transit and coordination with adjacent land owners.


Toronto, Ontario

Gross Floor Area

  • 1,000,000 sq ft

Completion Year