Ontario Line Enabling Works Three

Project description:

The Ontario Line Enabling Works 3 project includes the construction of infrastructure allowing the Ontario Line subway to transition from underground at Cherry St. to an at-grade guideway over the Lower Don River and Don Valley Parkway. The scope includes the construction of a cut and cover tunnel and portal, associated drainage system, a new bridge carrying the Ontario Line guideway over the Don River and Don Valley Parkway, an emergency exit building, a new Hydro transmission tower and the relocation of GO tracks and signal infrastructure.