The City of Toronto is carrying out Phases 3-4 of the Downsview Major Streets Municipal Class Environmental Assessment (EA) Study that will further develop the work started in Phases 1-2 as part of the Master Environmental Servicing Plan (MESP) completed in Spring 2024. Phases 3-4 will develop the recommended designs for major streets and municipal servicing (stormwater, sanitary, and sewer) infrastructure in the project area.
The EA Study is generally bounded by Keele Street, Sheppard Avenue West, Wilson Heights Road, and Wilson Avenue. The site includes the Downsview redevelopment area, Downsview Park, three TTC subway stations, one GO Transit station, and the GO Transit Barrie Corridor.
Downsview Major Streets Phases 3-4 EA will develop designs for the following:
This Study follows the Municipal Class Environmental Assessment process which promotes good environmental planning by determining and managing the potential effects of a project prior to implementation. The EA process includes identifying the problem or opportunity to be addressed, developing and evaluating a range of alternative solutions, providing opportunities for public input, and identifying a preferred solution.
The Study follows the recommendations of the Downsview Secondary Plan and is being coordinated with related area projects including ongoing Downsview Area District Planning and related development applications, the Downsview Community Development Plan , York University & Downsview Cycling Connections, and the Yorkdale Transportation Master Plan.
Public Consultation will take place over two stages:
Study Recommendations on the Dufferin Street Extension alignment at Wilson Avenue, Transit Road and Billy Bishop Way Extension alignments at Wilson Avenue, and the location of north-south dedicated bus lanes.
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The Virtual Public Meeting will include a presentation followed by a Question and Answer period.
Date: Wednesday, June 18, 2025
Time: 6:30 to 8:30 p.m.
To join by phone (audio only) call 416-915-6530 and enter access code 2330 093 3539 and meeting password (ID) 7623
Learn more about participating in City of Toronto virtual engagement events.
Webex supports the use of screen readers and provides several accessibility supports. If you require other disability-related accommodation to participate in this meeting, please contact us one week before the meeting.
Complete the online survey before July 8, 2025.
Recommended Designs of All Major Street and Servicing Infrastructure (2026)
More information will be added to this webpage and sent to the project email list in advance of upcoming consultation.
Public feedback, along with technical considerations and City policies and guidelines, will be considered in staff recommendations and City Council decisions.
In May 2024, Toronto City Council (see Item 2024.PH12.1) adopted the Update Downsview Phases 1-2 Environmental Assessment (EA) Study, also known as the Master Environmental Servicing Plan (MESP). The MESP recommended the general location and requirements for the preferred transportation network and municipal servicing infrastructure (water, sanitary and stormwater) to support the existing and future needs of the Downsview redevelopment area.
Some of the infrastructure identified through the MESP will be further developed through the ongoing Downsview Area District Planning process, including local and collector streets and active transportation bridges.
Major transportation and servicing infrastructure requires further development through the Phase 3-4 EA Study.
Chapters 3 and 15 of the MESP have Been Updated
The 2024 Master Environmental Servicing Plan (MESP) has been updated in response to comments provided by the Ministry of Citizenship and Multiculturalism during the 30-day public review period, which commenced on June 4, 2024, and ended on July 4, 2024. In addition, Chapter 15 of the MESP has been updated to include additional text assessing the sewer capacity of the Maryport sewers.
Please refer to the Errata for further details.
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City Planning collects your personal email address under the legal authority of the Planning Act, section 17(15); Item 2024.EC12.2, City Council Decision 4 and 7, as confirmed by the City of Toronto By-law 527-2024; Item 2024.PH12.1, City Council Decision 18, as confirmed by the City of Toronto By-law 527-2024; and Item 2021.CC28.10, City Council Decision 5 as confirmed by the City of Toronto By-law 60-2021. The information will be used to provide communications about the Update Downsview project, and associated Environmental Assessment Phases 3 and 4 being led by Transportation Services; including updates, consultation materials and opportunities, project milestones, and Council and Committee decisions. Questions about this collection can be directed to the Project Director, Strategic Initiatives, Policy and Analysis, City Planning, Metro Hall, 22nd Floor, 55 John Street, Toronto, Ontario, M5V 3C6 or by telephone at 416-392-3078. [June 6, 2025 10:30am]