Ontario Line - Southern Civil, Stations and Tunnel project

Project Type:
DBF – Design Build Finance
Infrastructure Type:
Contract Value:
To be announced at Financial Close
Estimated Value for Money:
To be announced at Financial Close

About the Project:

The Southern Civil, Stations and Tunnel project is one of three P3 contracts to deliver the Ontario Line, a 15.6-kilometre stand-alone rapid transit line that will connect the Ontario Science Centre to Exhibition/Ontario Place.


  • Request for Qualifications:
    Jun 02, 2020
  • Short-list Bidders Selected:
    Dec 14, 2020
  • Request for Proposals:
    Dec 14, 2020
  • Winning Bidder Selected:
  • Construction Begins:
  • Construction Ends:

Latest News


The scope of work for the South contract includes:

  • A design-build-finance contract for the southern portion of the Ontario Line, from Exhibition/Ontario Place to the Don Yard portal (west of the Don River)
  • Civil: ground works required to build the tunnels and stations; utility and conduit works to prepare for the RSSOM mechanical and electrical systems; guideway structures and facilities to prepare for the track structure to be installed by the RSSOM contractor
  • Stations:         
    • one above-ground station to be integrated with the existing GO Transit Exhibition Station
    • two underground stations to be integrated with the existing TTC Osgoode and Queen subway stations
    • four new underground stations (King/Bathurst, Queen/Spadina, Moss Park, Corktown)
  • Tunnel: a six-kilometre tunnel and all associated tunnelling works from Exhibition to Don Yard portal (west of Don River)

Project Benefits

  • Faster, more frequent and reliable access to rapid transit with more than 255,000 people will live within a 10-minute walk of an Ontario Line station
  • Improve the quality of life for commuters by reducing daily travel time
  • Reduce crowding on the existing Line 1 (Yonge-University) subway
  • Up to 57,000 more jobs accessible by transit (in 45 minutes or less) for Toronto residents
  • Economic and community growth along the future transit line and thousands of job opportunities annually during construction
  • Reduction in traffic congestion, greenhouse gases and fuel consumption by providing an alternative transportation option

Terms of Use

Infrastructure Ontario and Metrolinx, in their sole and absolute discretion, may choose to make available on this website amendments, revisions, modifications or replacements to these documents. These documents remain open for further revision, modification, replacement or cancellation by Infrastructure Ontario and Metrolinx at any time and in no event shall either Infrastructure Ontario or Metrolinx be responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with the use of or reliance on the content of these documents.