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Updates

The Ministry of Transportation (MTO) has retained WSP (formerly MMM Group Limited) to complete the Preliminary / Detail Design and Environmental Assessment Studies for the replacement and rehabilitation of several bridges along Highway 401 in the City of Cornwall, the Municipality of Port Hope, the Municipality of South Dundas, Township of South Stormont, and the Township of South Glengarry.

The purpose of this website is to keep members of the public informed, to share publicly-available reports and other materials, and to allow for public comments. This website will be continually updated to give notification of project milestones, opportunities for public engagement and other relevant information.

The map below shows the location of all bridges proposed to be rehabilitated or replaced. Clicking on a bridge location will display additional information about that project.

Post Road (County Road 36) Underpass Replacement - March 1, 2019: A Notice of Change to Detour Route brochure was distributed to nearby residents on March 1, 2019 to inform residents of a change to the proposed detour route during Highway 401 closures. If you have questions or comments please feel free to submit them here by March 15, 2019.
October 10, 2018: The Transportation Environmental Study Report for the Highway 401 underpass replacement at County Road 31 is now available for review here.
November 8, 2017: The Transportation Environmental Study Report for the Highway 401 overpass replacements at Pitt Street is now available for review here.
October 25, 2017: The Transportation Environmental Study Report for the Highway 401 underpass replacement at County Road 36 is now available for review here.
October 18, 2017: The Transportation Environmental Study Report for the Highway 401 underpass replacement at Flagg Road is now available for review here.
October 4, 2017: The Transportation Environmental Study Report for the Highway 401 underpass replacement at 3rd Line (Bainsville) Road is now available for review here.
October 4, 2017: The Transportation Environmental Study Report for the Highway 401 underpass replacement at 2nd Line (Westley) road is now available for review here.
September 5, 2017: Display materials for the Highway 401 overpass replacements at Pitt Street are now available here.
August 30, 2017: Notice of Study Commencement and online Public Information Centre issued for the replacements of Highway 401 overpasses at Pitt Street in the United Counties of Stormont, Dundas and Glengarry. The notice may be viewed here.
August 14, 2017: Display materials for the Highway 401 underpass replacements at Post Road (County Road 36) are now available here.
August 14, 2017: Display materials for the Highway 401 underpass replacements at Flagg Road are now available here.
August 9, 2017: Notice of Study Commencement and online Public Information Centre issued for the replacement of the Highway 401 underpass at Post Road (County Road 36), in the Township of South Stormont. The notice may be viewed here.
August 9, 2017: Notice of online Public Information Centre issued for the replacement of the Highway 401 underpass at Flagg Road, in the Municipality of South Dundas. The notice may be viewed here.
July 31, 2017: Display materials for the Highway 401 underpass replacements at Westley Road and Bainsville Road are now available here.
July 26, 2017: Notice of online Public Information Centre issued for the Westley Road and Bainsville Road underpasses, in the Township of South Glengarry. The notice may be viewed here.
April 27, 2017: Display materials for the Highway 401 underpass replacement at County Road 31 are now available here. Comments can be submitted here.

See past updates here.