New greenfield extension of Highway 404
Traffic flow increased
Road infrastructure upgraded
Environmental sustainability implemented
- Widen Highway 404, one of the Toronto area's main transportation arteries, to accommodate increased traffic.
- Extend the highway, upgrading an existing partial interchange and adding 3 commuter parking lots, 2 new overpasses, 2 river crossings, and 5 stormwater management ponds.
- Relocate watermains and utilities.
- Manage public communications and information-sharing as important aspects of this greenfield construction.
- Stormwater management ponds and traffic signals were created in addition to widening Highway 404's further intersections, water mains, overpasses, and river crossings,
- A new interchange was create at Queensville Side Road to allow access to the highway.
- An interchange at Doane was partially created to accommodate for traffic increase in the future.
- A risk assessment workshop was held to review the proposed detailed design, identify and quantify potential risks, and recommend mitigative measures.
- An assessment for cost sharing between Ministry of Transportation Ontario and York Region was completed for the Doane Road interchange.
- Public communications and information sharing were important aspects of the work, as this was a greenfield construction project with two river crossings.
- In order to obtain the required environmental permitting and approvals, extensive liaison with agencies and key stakeholders was needed.