Construction for the Scarborough Subway Extension continues as crews dig even deeper to build the massive excavation needed for the project’s very large tunnel boring machine.
Construction at the northeast corner of Sheppard Avenue East and McCowan Road is in full ‘drill mode’ as crews make progress on expanding the TTC’s Line 2 subway service almost eight kilometres further into Scarborough. Here’s where those crews are at, and where they’re going.
The tar sand geography underneath the city of Los Angeles appears to have gooped up any hopes of avoiding cost overruns on the tunnel boring section of the Purple Line extension. Through
Los Angeles County Metropolitan Transportation Authority (LACMTA) representatives joined local officials and stakeholders Oct. 19 for a ceremony to name and lower a portion of the tunnel-boring machine (TBM) that will dig twin 1.1-mile rail tunnels underground below downtown Los Angeles.