To view the TYSSE Newsletter update  in detail please click the follwing link:Subway Expansion Newsletter.pdf Includes: - Northern stage of tunnel- Meet TYSSE’s safety officers- Moving the Black CreekSouthern Tunnels Completed

  • Milestone was achieved for the TYSSE project on March 5, 2013, when tunnel boring machine "Moley" broke through the headwall at the extraction shaft on Allen Road (just north of Downsview station) completing the southern tunnels linking Finch West Station to Downsview Station. Machines "Holey" and "Moley" completed 2.8 km of twin tunnels, placing a total of 1,826 rings in each tunnel.

Northern Tunnels to be completed late 2013

  • Tunnel boring machine “Torkie” began final stretch of tunnel on September 13, 2013, from the northern launch shaft at the Highway 407 station site, and is headed toward the Vaughan Metropolitan Centre Station’s extraction shaft. This extraction shaft is located south of Highway 7 and west of Jane Street.
  • Tunnelling milestone: June 13th 2013, when the machine broke through the headwall at Steeles Avenue West, north of York University campus.

The complete tunnel drive from Highway 407 Station by expected the end of 2013.Follow the tunneling progress here: the construction here:

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