Highway 401 Highbury
Highway 401 Five Structure Replacements, Highbury Avenue Interchange Improvements,
and Highway 401 Pavement Rehabilitation
Contract 2022-3004

Highway 401 detail design work has been initiated with a planned construction duration of approximately four years starting in 2023, subject to approvals.

The Detail Design Environmental Assessment was completed in Spring 2023. Please see Documentation for more information.

Construction start is planned for Spring 2023. Please see Construction Progress for more information.