TTC and Region of York contractors continue to work on the project to extend the Spadina branch of the 1 Yonge - University - Spadina subway northwest beyond Downsview Station to Vaughan.

“Torkie” passed the milestone this week of tunnelling under Highway 407. “Torkie” started tunnelling again Friday, September 13 from the northern launch shaft at the site of future Highway 407 Station site and is headed toward the extraction shaft at future Vaughan Metropolitan Centre Station south of Highway 7 and west of Jane Street.

In this drive, “Torkie” will tunnel just over one kilometre (0.6 miles) and place about 686 liners in the tunnel.

The contractors expect Torkie to complete the tunnel drive from Highway 407 Station by the end of the year.

You can follow the progress of “Yorkie” and “Torkie” here and here.

The TTC dubbed the four tunnel-boring machines for this project “Holey”, “Moley”, “Torkie” and “Yorkie” after a public contest to name the machines.