About the Project
The Ontario Ministry of Transportation (MTO) has retained AECOM to undertake a Detail Design and Class Environmental Assessment Study for the following two contracts located within the City of Oshawa in Durham Region:
- Contract A (Highway 401 / Wilson Road Overpass)
- Contract B (Highway 401 Bloor Street / Harmony Road Interchange):
Class Environmental Assessment Process
This study is following the approved planning process for a ‘Group B’ in accordance with the MTO Class EA for Provincial Transportation Facilities (2000).  A Public Information Centre is planned for this project and advance notification will be provided.
Project Schedule
The Detail Design and Class Environmental Assessment (EA)
Study for the replacement of the Highway 401 / Wilson Road overpass (Contract A) and the reconstruction of the Highway 401 Bloor Street / Harmony Road interchange (Contract B)
commenced in March 2021.
This website is intended to provide general information related to the project. Additional information will be added to the website as details become available, such as public notification material and details regarding construction timelines.
If you have any accessibility requirements in order to review the material on this page, please contact one of the project team members listed in the Project Team Contacts section of this page of the website.