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Ontario Line Tunnelling

Sector: Tunnel • Location: Toronto, Ontario, Canada

Source: Construct Connect

Project
Under Construction

The Ontario Line project involves tunnelling using two tunnel boring machines to dig twin tunnels from Exhibition Station toward the Don Yard near the Don Valley Parkway and Lakeshore Boulevard, as deep as 40 metres below the surface. The 15.6-kilometre line will run from Exhibition Place to the Eglinton Crosstown LRT at Don Mills Road, with 15 stations and more than 40 transit connections. Major

Status
Under Construction
Sector
Tunnel, Rail, Road, Government
Location
Toronto, Ontario, Canada
Updated
22 Jul 2026
Source
Construct Connect

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Project Information

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The project “Ontario Line Tunnelling” is an infrastructure initiative in the Tunnel sector, located in Toronto, Ontario, Canada. Taiyo aggregates data on it from Construct Connect.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Ontario Line project involves tunnelling using two tunnel boring machines to dig twin tunnels from Exhibition Station toward the Don Yard near the Don Valley Parkway and Lakeshore Boulevard, as deep as 40 metres below the surface. The 15.6-kilometre line will run from Exhibition Place to the Eglinton Crosstown LRT at Don Mills Road, with 15 stations and more than 40 transit connections. Major construction is underway at several downtown stations and Exhibition Station, which will connect riders to GO Transit and serve the Liberty Village neighbourhood.

Original sector

Transportation

Budget

Location

Country

Canada

State

Ontario

City

Toronto

Source

Source

Construct Connect

URL

More Details

Record type

Project

Sector

Tunnel, Rail, Road, Government

Article published date

2026-04-19

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