Thorold Tunnel Closures from April 14 to July 7, 2025

The Ministry of Transportation (MTO) will be starting construction on the Thorold Tunnel beginning Monday, April 14th until Monday, July 7th, 2025.

MTO will start with one Westbound lane closure in the north tube. There will be a full closure of the Westbound lanes in the north tube in the evenings from 8:30 p.m. to 5:30 a.m.

The full closure Westbound traffic will be redirected to: Davis Road (Highway 58) > Lundy's Lane (Highway 20) > Hwy 406

Sorry for any inconvenience during this construction project.

If there are any further inquiries regarding the project, please reach out to Clearwater Structures Inc. (MTO's contractor for this project) at the contact below.

Contact Information:

Igor Kuzminskiy, CET Assistant Project Manager Clearwater Structures Inc. IgorK@clearwaterstructures.ca

Cell. 289-923-2217

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City of Thorold
3540 Schmon Parkway,
PO Box 1044
Thorold, ON L2V 4A7

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