tunnel boring machines Archives - Tiopepi Construction Blog

Yonge North Subway Extension powers ahead with launch shaft complete

YORK REGION, ONT. — Excavation is now complete for the tunnel launch shaft for the Yonge North Subway ExtensionRFP DBF – Design Build Finance –…

adminJuly 28, 2026

Commercial Construction

Hudson Tunnel Project reaches pivotal phase as Palisades Tunnel start nears

Work on New York City’s Hudson Tunnel Project (HTP) is at a pivotal phase in North Bergen, where massive tunnel boring machines (TBMs) are being…

adminMay 14, 2026

Commercial Construction

Tunnelling officially starts on the Ontario Line

TORONTO — The Ontario government is marking the official start of tunnelling for the Ontario Line, signifying a major construction milestone. Two tunnel boring machines are digging twin tunnels from Exhibition Station toward…

adminApril 16, 2026

Commercial Construction

Meet Libby and Corkie, your Ontario Line TBMs

TORONTO – The first two Ontario Line tunnel boring machines (TBMs) now have their own identities. Libby and Corkie beat Titan and Terra, Queenie and…

adminSeptember 8, 2025

Commercial Construction

Mighty Ontario Line TBM machines need a name: Time to choose

TORONTO — As they prepare to dig and trudge through hard soil to help make way for the future Ontario Line southern subway tunnels, the…

adminJuly 18, 2025

Commercial Construction

Time to dig in: Metrolinx announces naming contest for TBMs

TORONTO — What will inspire you? Metrolinx has announced a naming contest for the Ontario Line’s tunnel boring machines (TBMs). The new TBMs will dig…

adminJune 11, 2025

tunnel boring machines

Yonge North Subway Extension powers ahead with launch shaft complete

Hudson Tunnel Project reaches pivotal phase as Palisades Tunnel start nears

Tunnelling officially starts on the Ontario Line

Meet Libby and Corkie, your Ontario Line TBMs

Mighty Ontario Line TBM machines need a name: Time to choose

Time to dig in: Metrolinx announces naming contest for TBMs

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