About the Project
The Ontario Ministry of Transportation (MTO) has retained AECOM Canada ULC to undertake a Planning, Preliminary Design and Class Environmental Assessment (EA) Study along Highway 401 for the replacement and rehabilitation of bridges and culverts, interchange modifications, and establishing the future Highway 401 footprint for an interim six lanes and ultimate eight lanes, from 1 km east of Hwy 2 / King St to 2.78 km west of Mallorytown. The purpose of the Study is to identify a Recommended Plan that addresses current and future transportation needs in the Study Area as part of the Ministry’s ongoing review of safety and operational needs for the provincial highway network. The Study Area falls within the United Counties of Leeds and Grenville, Township of Leeds and the Thousand Islands, Front of Yonge Township, and Town of Gananoque.
The study also includes:
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Developing and evaluating alternatives
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Identifying appropriate improvements
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Determining potential impacts
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Outlining environmental protection/mitigation measures
News
Notice of Public Information Centre (PIC) #1
The first of 2 PICs is being held to present and receive feedback on the Study background, existing conditions, the preliminary list of improvement alternatives, the evaluation criteria which will be used to assess the alternatives, and the next steps in the Study. A second PIC will be held later in the study to present the evaluation of alternatives, preferred plan, and associated potential impacts and preliminary proposed mitigation measures.
PIC #1 will be an informal drop-in centre with MTO and consultant team representatives available to answer questions.
October 23, 2025
Lansdowne Community Building
1 Jessie St, Lansdowne, ON K0E 1L0
4:00 p.m. to 7:00 p.m.
PIC Information Boards (Coming Soon)
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