Teston Road IEA Study
City of Vaughan
The Regional Municipality of York is conducting an Individual Environmental Assessment (IEA) Study to examine transportation improvements in the Teston Road area in the City of Vaughan between Highway 400 to Bathurst Street and between Major Mackenzie Drive and Kirby Road.
We want to hear from you
You are invited to take part in the fourth online open house from December 1, 2023, to December 22, 2023, to learn about the study’s process, design considerations, preliminary design, potential impacts and mitigation measures as well as provide comments.
Members of the public and agencies can review study recommendations and provide feedback throughout each phase of the study process.
Please review the presentations and videos below and provide your feedback. Thank you for participating.
Open house #4 materials:
Project Summary Presentation (PDF)
Open House #4 Presentation (PDF)
Accessible formats or communication supports are available upon request.
Please contact @email or call 1-877-464-9675. Ext. 75000
Project Summary Video
Open House #4 Video
Teston Road Area Improvements
Project Background
The Regional Municipality of York (York Region) is conducting an Individual Environmental Assessment (IEA) Study to examine transportation improvements in the Teston Road area in the City of Vaughan between Highway 400 to Bathurst Street and between Major Mackenzie Drive and Kirby Road.
Public consultation is an important part of the IEA Study and York Region welcomes resident and stakeholder feedback throughout the study. Information about the study will be posted on the page and on York Region’s Facebook and Twitter channels.
In December 2018, the Minister of the Environment, Conservation, and Parks approved the Terms of Reference for the Teston Road Area Transportation Improvements study. A copy of the approved Terms of Reference is available below.

Terms of Reference
As part of the planning process, York Region has developed the Terms of Reference to guide the future Individual Environmental Assessment Study.
Teston Road IEA Terms of Reference Document
Appendix A — Stakeholder List
Appendix B — Consultation During Study
Appendix C — Consultation During Pre-Submission
Appendix D — Visual of Project Website
Appendix E — Newspaper Notifications
Appendix F — Open House Summary Report
Appendix G — Agency Meeting Minutes
Appendix H— Comments Responses Final
As of December 20, 2018, the Minister of the Environment, Conservation and Parks has approved the Terms of Reference for the preparation of the Teston Road Area Transportation Improvements Environmental Assessment. The project team will be proceeding with the Individual Environmental Assessment.
Public Notices
Notice of Open House #4 – November 23, 2023
Notice of Open House #3 — March 17, 2022
Notice of Open House #2 — November 25, 2021
Notice of Open House #1 — July 23, 2021
Notice of Commencement of Study — August 13, 2020
Notice of Submission — June 7, 2018
Notice of Open House — April 6, 2017
Notice of Commencement for Terms of Reference — December 29, 2016
Public Open Houses
Throughout the EA Study, the public is encouraged to provide comments and feedback and submit questions regarding the project.
Open House 3 – March 21 to April 11, 2022
The following information was provided:
- Study progress since the second online open house
- Alternative designs to extend Teston Road from Keele Street to Dufferin Street
Open House 3 Material:
- Presentation - Project Summary (PDF) | Project Summary Video (6 minutes)
- Presentation (PDF) | Video (26 minutes)
Open House 2 – November 29 to December 20, 2021
The following information was provided:
- Background and summary of the study
- Alternative Methods to extend Teston Road between Keele Street and Dufferin Street
Open House 2 Material:
- Presentation – Project Summary (PDF) | Project Summary Video (5 minutes)
- Presentation (PDF) | Video (25 minutes)
Online Open House 1 – July 26 to August 23, 2021
The following information was provided:
- Background and summary of the study
- Problems and opportunities identified
- Alternatives being proposed
- Next steps in the study
Open House 1 Material:
- Presentation – Project Summary (PDF) | Project Summary Video (5 minutes)
- Presentation — Part 1 (PDF) | Part 1 Video (18 minutes)
- Presentation — Part 2 (PDF) | Part 2 Video (24 minutes)
Open House — April 18, 2017
The following information was provided:
- What is the ToR?
- Problems and Opportunities
- What happens next in the Study?
Terms of Reference Open House Material:
Road, Municipality: Teston Road, Vaughan
Project Number: 99816