PHOTO GALLERY: Toronto-York Spadina Subway Extension First Twin Tunnels |
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The completion of the first 1.6 kilometres of twin tunnels for the Toronto-York Spadina Subway Extension was announced last week. The new tunnels represent one complete section of the twin tunnels that will connect the future Sheppard West and Finch West Stations. The tunnel boring machines (TBMs) named “Holey” and “Moley” bored the tunnels.  Excavation of TBM Holey – Keele Street Extraction Shaft
 Excavator chipping out TBM Holey
 (left) TBM Moley breakthrough through the headwall, (right) Holey’s completed tunnel
 Start if TBM Moley’s excavation from the headwell
 Moley’s completed tunnel
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