Class Environmental Assessment and Design-Build Ready Study

Highway 401 at Currie Road Interchange and Underpass (GWP 3092-21-00) Highway 401 at Lawrence Road Underpass (GWP 3074-21-00)
Highway 401 at Coyne Road Underpass (GWP 3078-23-00)
Municipality of Dutton Dunwich and Township of Southwold, Elgin County

Map of the Study Area at the underpass location at Coyne Road and Highway 401, and Currie Road and Highway 401.

Map of the Study Area at the underpass location at Lawrence Road and Highway 401.

ABOUT THE PROJECT

Project Overview

The Ministry of Transportation, Ontario (MTO) has retained Dillon Consulting Limited (Dillon) to complete the Class Environmental Assessment (Class EA) and Design Build Ready Study for the reconfiguration of the Highway 401 and Currie Road interchange and underpass replacement, the replacement of the Coyne Road underpass and the replacement or removal of the Lawrence Road underpass in Elgin County.

The new design will accommodate a future eight-lane configuration of Highway 401. A key component of this study is to explore the feasibility of the removal and subsequent closure of the Lawrence Road underpass at Highway 401.

Class Environmental Assessment Process

This study is being completed in accordance with the MTO Class EA for Provincial Transportation Facilities and Municipal Expressways (2024) as a Group 'B' undertaking. Group 'B' projects are considered approved, subject to compliance with the Class EA. For more information on the Class EA process click this link to go to the Class EA page.

Key Project Steps

Issue the Notice of Study Commencement
Commence the EA and Preliminary Design
Issue a Notice of Virtual Public Information Centre (PIC)
Virtual PIC to seek input on the study and share project updates
Prepare a Transportation Environmental Study Report (TESR) summarizing the EA and Preliminary Design
Issue the Notice of Completion of the TESR for a 30-day comment period