The cutter head of a tunnel boring machine is lifted by a large crane as construction workers look on

After years underground, giant tunnel boring machines being pulled from Crosstown depths

The tunnelling work on Toronto’s Eglinton Crosstown Light Rail Transit (LRT) was completed in 2016 by four tunnel boring machines (TBMs). The city even knew their names – Dennis, Lea, Don, and Humber. Two were already taken out. Now Dennis and Lea are being pulled out as well. Dennis and Lea – or parts of them – have seen the light of day again. After … Continue reading After years underground, giant tunnel boring machines being pulled from Crosstown depths