Current status

You can comment on the environmental assessment for this project until April 17, 2026.

Learn how to submit your comment to the ministry.

Project summary

The Regional Municipality of York (York Region) is studying transportation-related improvements in the Teston Road area in the City of Vaughan within a study area bounded by:

  • Highway 400 to Bathurst Street
  • Major Mackenzie Drive to north of Kirby Road

As part of the environmental assessment process, York Region has:

  • considered improvements for vehicles, pedestrians, cyclists and transit
  • reviewed multiple east to west and north to south road network improvements as alternatives to the proposed project

The final step was to confirm the project description and complete an environmental assessment of the project. The results of the assessment determined that the extension and widening of Teston Road from Dufferin Street to Keele Street is the preferred alternative for the project to address the identified transportation needs in the Teston Road area.

Through the environmental assessment process and in consultation with stakeholders, Indigenous communities and the public, York Region has established a preliminary design for the preferred alternative for the project. 

Learn more about the project on York Region’s website.

Proponent

The Regional Municipality of York (York Region)
 

Location

City of Vaughan

Project type

Transportation

Reference number

17011

Contact

Abdulrahim Mohamed, Environmental Assessment Branch

Project history

Environmental assessment: submitted
Date submitted: February 27, 2026
Expiry of public comment period: April 17, 2026

Amended terms of reference: approved
Date submitted: October 12, 2018
Decision date: December 20, 2018

Terms of reference: submitted
Date submitted: June 7, 2018
Expiry of public comment period: July 6, 2018

Environmental assessment

On February 27, 2026, York Region submitted its environmental assessment for the Teston Road area improvements project to the Ministry of the Environment, Conservation and Parks for review and a decision. This assessment examines transportation improvements in the Teston Road area between Highway 400, Bathurst Street, Major Mackenzie Drive and Kirby Road.

Submit a comment

Members of the public, agencies, Indigenous communities and other interested persons are encouraged to actively participate in the environmental assessment process.

Read the notice of submission to learn how to review the environmental assessment and submit your comments.

The commenting period concludes on April 17, 2026.

Terms of reference

On December 20, 2018, the Minister of the Environment, Conservation and Parks approved the amended terms of reference for the environmental assessment.

Read the amended terms of reference on York Region’s website.

Notice of approval

Proponent: The Regional Municipality of York
EA file number: 17011

As provided for by subsection 6(4) of the Environmental Assessment Act, terms of reference, as submitted for approval to the Ministry of the Environment, Conservation and Parks on June 8, 2018 and revised with through the submission of an amended terms of reference dated October 12, 2018, is hereby approved.

Pursuant to subsection 6.1(1) of the Environmental Assessment Act, any environmental assessment for the above-noted undertaking, submitted to the Ministry of the Environment, Conservation and Parks pursuant to subsection 6.2(1) of the Environmental Assessment Act, must be prepared in accordance with the terms of reference as hereby approved.

Reasons

I am satisfied that an environmental assessment prepared in accordance with the amended terms of reference will be consistent with the purpose of the Environmental Assessment Act and the public interest for the following reasons:

  1. The terms of reference provides that the environmental assessment will include an identification and evaluation of a reasonable range of alternative routes and that these alternative routes will be assessed during the environmental assessment process.
  2. The terms of reference requires the proponent to implement a comprehensive consultation plan during the preparation of the environmental assessment. In addition, the Environmental Assessment Act requires consultation and documentation of the consultation during the preparation of the environmental assessment. As well, there will be additional opportunities for public and government agency consultation when the environmental assessment is submitted to the ministry.
  3. The terms of reference provides that the environmental assessment will be prepared using a comprehensive public, Indigenous community and government agency consultation process that is open and transparent and in particular will include consultation on the selection and evaluation of alternative routes during the environmental assessment.
  4. The terms of reference requires that the proponent meet the intent of the Environmental Assessment Act by providing for the identification of issues and concerns, and the preferred means of addressing them with due regard to adoption of environmental management, protection and mitigation measures.
  5. There are no outstanding issues that have not been incorporated into the terms of reference or that cannot be addressed during the preparation of the environmental assessment.

Dated the 20th day of December, 2018 at Toronto.

Original signed by:
Rod Phillips
Minister of the Environment, Conservation and Parks
77 Wellesley Street West, 11th Floor, Ferguson Block
Toronto, Ontario
M7A 2T5