Highway 401 Construction Starts Tuesday April 2 2024

Date
aerial of hwy 401

Starting Tuesday, April 2, 2024 - Highway 401 Construction


Timeline

  • April 2, 2024 – October 2024 Construction Commencement (Dorchester Road closure at Highway 401)
  • April 13, 2024 Bridge Demolition
  • Summer 2024 Girder Erection
  • July 2024 - October 2024 Highway 401 eastbound on/off ramp closure
  • June 2025 Anticipated Project Completion


The Ministry of Transportation, Ontario (MTO) has awarded Green Infrastructure Partners Inc. (GIP) in partnership with Dillon Consulting Limited (Dillon) the Design-Build (DB) for the construction of the Highway 401 & Dorchester Road Bridge Replacement and Interchange Improvements in the Municipality of Thames Centre, Middlesex County.

The proposed improvements include:

  • Replacement of the Dorchester Road Bridge with a new 4 lane bridge featuring 2 through lanes and two speed change lanes.
  • Slight realignment of the bridge and Dorchester Road to the east.
  • Replacement of the existing diamond interchange with a Parclo A-2 interchange. This new interchange design allows for potential future additional ramps and highway expansion.


Additional Information & Detour Routes: https://www.hwy401dorchester.com/