The purpose of this website is to provide interested parties with access to information about the project and the Project Team that is carrying out the 427 Transportation Corridor Environmental Assessment (EA).

The Ontario Ministry of Transportation (MTO) is working to provide for the efficient movement of people and goods within the context of the province's Growth Plan for the Greater Golden Horseshoe as released in July 2006.

The EA has followed the environmental planning process outlined in the 427 Transportation Corridor Environmental Assessment Terms of Reference (ToR) approved by the Minister of the Environment in November 2005 under the Ontario Environmental Assessment Act (OEAA). To view the Terms of Reference document, please navigate to the EA Terms of Reference section of this website.

The EA Terms of Reference provides a framework for completing the EA study to address existing and short-term transportation problems related to the Highway 427 terminus, truck traffic to and from the CPR Vaughan Intermodal Facility, and inter-regional traffic on Highways 7, 27 and 50.

The EA has considered every phase of the planning process including:

• The Need for the Undertaking
• Alternatives to the Undertaking (fundamentally different ways of addressing the problem)
• Alternative Methods (route alternatives)
• Preferred Alternative (Preliminary Design)
• Preparation of an Environmental Assessment Report (January 29, 2010)

The EA Report was available for public review from January 29, 2010 to March 19, 2010. The review period has ended and the Ministry of the Environment is reviewing the comments received and will make an approval decision. A copy of the EA Report can be found under the Fact Sheets and Reports section of this website.

EA Report - The public review period has ended.		The 427 Transportation Corridor EA Terms of Reference and Supporting Documents are available for review.		EA Terms of Reference (ToR) was approved and MTO has undertaken an EA study in accordance with the approved EA ToR.