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Toronto York Spadina Subway Extension
Toronto York Spadina Subway Extension

Toronto York Spadina Subway Extension

Wilson Yard Modification Site Services Phase 1

Toronto, Ontario


Toronto Transit Commission


Toronto Transit Commission

Project Completion Date

June, 2016

Type of Contract

Lump Sum

Project Value



The TTC is planning the design and construction of an underground subway line from the existing Downsview Station on the Spadina Line located in the City of Toronto, to the proposed Vaughan Corporate Centre located in the City of Vaughan, Region of York.  The new 8.6 km long line will include both tunnelled and cut and cover sections.  The Contract designated A18-15 - Wilson Yard Modifications – Site Services Stage 1, consists of but is not limited to providing all labour, products, equipment, tools, utilities and supervision for the supply, installation, construction, fabrication, testing, maintenance and removals required for construction of site services and substation building for the expansion of Wilson Yard.