Notice of Study Commencement: Highway 4 Widening and Proposed Talbotville Bypass, Highway 3 Twinning


The Ontario Ministry of Transportation (MTO) has retained Stantec Consulting Ltd. to complete the Preliminary Design, Detail Design and Class Environmental Assessment Study (Class EA) for improvements to Highway 3 from Highway 4 to Centennial Avenue (St. Thomas). 

The following is being undertaken as a Group ‘A’ project (GWP 3042-22-00):

  • a new Highway 3 alignment bypassing Talbotville (also known as the Talbotville Bypass), connecting Highway 3 near Ron McNeil Line to Highway 4; and 
  • the widening of existing Highway 4 (from the new Talbotville Bypass to Clinton Line). The following is being undertaken as a Group ‘B’ project (GWP 3041-22-00): 
  • the twinning of the existing Highway 3 through St. Thomas to the Township of Southwold (Centennial Avenue to Ron McNeil Line). Construction will follow the environmental assessment and design phase. 


This project is being completed in accordance with the Class Environmental Assessment (Class EA) for Provincial Transportation Facilities (2000). Group ‘A’ projects are considered new transportation facilities. Group ‘B’ projects are considered major improvements to existing transportation facilities. Group ‘A’ and ‘B’ projects are considered approved under the Environmental Assessment Act subject to compliance with the Class EA. 


If you wish to provide comments, have your name added to the study mailing list, or have questions about this project, please contact one of the Project Team members listed below. Comments are respectfully requested by Friday, July 7, 2023. Additional project information can be found at

Kevin Welker, P.Eng.
Project Manager
Stantec Consulting Ltd.
M: (226) 919-5979

Deanna Pizycki, P.Eng.
Project Engineer
Ministry of Transportation
M: (519) 859-7492



Victoria Day Closure 2024
Easter Holiday Closure Notice
Family Day Closure Notice
Graphic to indicate holiday closures at Elgin County Facilities. The Elgin County Administration Building, Provincial Offences Administration Building, and Elgin County Heritage Centre will be closed on Friday, December 23rd at noon. Regular business hours will resume on Tuesday, January 2nd, 2024.