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Welcome to the official website of the Detail Design and Class Environmental Assessment (EA) Study for the four-laning of Highway 11/17 from 800 m west of Coughlin Road to Red Rock Road #9 in the unorganized Township of Lyon and the Township of Red Rock, within the Unorganized Thunder Bay District.

This study will build upon the planning and preliminary design phase (completed in 1997), which determined the planning requirements for the four-laning of Highway 11/17. At that time, an Environmental Study Report (ESR) documented operational and capacity deficiencies, the evaluation of alternatives, and identified a preferred preliminary design plan to address the current and future needs of Highway 11/17 within the study limits. The plan that received EA approval within this section of the study included:

  • Expansion of Highway 11/17 to four lanes on a new highway alignment;
  • Improvements / modifications to select intersecting side-roads; and
  • Two new bridges across the Black Sturgeon River.

The four-lane highway corridor was designated (protected) in 2003.

As part of the Detail Design Study, an Addendum to the ESR will be prepared to document any changes to existing environmental conditions from 1997 and any proposed changes to the previously approved plan for Highway 11/17 within the study limits. Potential changes to the 1997 approved plan may include widening the proposed right-of-way from 90 m to 110 m, and alignment revisions to intersecting roads.

Upon completion of the Detail Design Study, a Design and Construction Report (DCR) will be prepared to document the Detail Design for the proposed improvements to Highway 11/17 and the proposed environmental mitigation measures.

WSP has been retained by the Ministry of Transportation, Northwest Region, to undertake this project.

Please view the website and provide us with your feedback. We will provide regular updates on this site with information on events such as the Public Information Centres, as well as project documentation, as it becomes available.

If you wish to be added to our project mailing list or submit comments or questions, please go to the Contact Us section of the website.