Ontario Line

Lower Don Bridge

To cross the Don River, a new Ontario Line bridge is being added on the north side of the existing rail bridge, with space for tracks going in both directions.

The work includes:

• building a new bridge north of the existing Lower Don Bridge over the Don Valley Parkway and the Don River to accommodate Ontario Line trains;
• shifting GO tracks in the rail yard west of the bridge to accommodate Ontario Line infrastructure;
• modifying the existing bridge to accommodate future GO track shifts and new Ontario Line infrastructure; and
• relocating and protecting utilities and rail signals in the area.

You can read more about construction work in this area in the Lower Don Bridge and Don Yard Early Works Report.

Don Yard Tunnel Portal

A tunnel portal is being constructed in the Don Yard, just west of Cherry Street and north of the GO tracks. The portal is where Ontario Line trains will move between underground subway tunnels and above-ground tracks between Corktown and East Harbour stations. 

We also keep communities informed about what to expect during construction. You’ll hear from us well before work starts, and we’ll continue to share timely updates as work moves forward to make sure you have the latest information about progress and next steps. 

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