VAUGHAN, ON, Dec. 3, 2013 /CNW/ - Construction of the twin tunnels is
complete for the Toronto-York Spadina Subway Extension. The final
segment of tunnelling was finished when tunnel boring machine (TBM)
"Torkie" broke through the headwall at the Vaughan Metropolitan Centre
Station site, finishing the tenth and final tunnel drive for the
project. This sets the stage for the next phase of work in the tunnels
including installation of inverts and walkways, track, traction power,
signals and communications systems.
TBMs "Holey", "Moley", "Yorkie" and "Torkie" have bored 6.4 kilometres
of twin tunnels for the TYSSE project. In the summer of 2011, the first
TBM "Holey" began boring from a launch shaft at the Downsview Park
The TYSSE is an 8.6-kilometre extension of the Toronto Transit
Commission's (TTC) Yonge-University-Spadina subway line from its
present terminus at Sheppard West Station (currently called Downsview
Station) to the Vaughan Metropolitan Centre at Highway 7 in York
Region. Construction work is expected to be completed by fall 2016 and
has already generated thousands of jobs. Once the subway extension is
completed, it will have six new subway stations and three new commuter
The TYSSE will improve transit service by supporting a reliable
multi-modal transportation network that is integrated with other
transit systems within the Greater Toronto and Hamilton Area. This
initiative will promote economic growth, reduce greenhouse gas
emissions by helping take cars off the road, and reduce travel times
The Government of Canada has committed up to $697 million to the
project, $622 million through its Building Canada Fund. The remaining
$75 million was transferred to fund the project under the Public
Transit Capital Trust in 2007.
The Province of Ontario has provided $870 million towards the TYSSE
project through the Move Ontario Trust. The City of Toronto is
contributing $526 million and The Regional Municipality of York is
contributing $352 million to the project. The TTC is the project
manager for construction of the extension.
For more information about the TYSSE project, visit www.spadina.ttc.ca. Select the "Tunnelling" tab for details about the twin tunnels. Visit www.youtube.com/officialttcchannel to view a new YouTube video on recent twin tunnelling.
SOURCE: Transport Canada
Video footage of the tunnelling breakthrough and still shots are available from the TTC. Call Danny Nicholson at 416-393-3898 or email: firstname.lastname@example.org.
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