Type of work

Tunnels

Highway 407 station and Northern Tunnels

Canada

Estación subterránea en Toronto

Estación subterránea en Toronto

Description

Highway 407 Station is a newly constructed underground station; 165 meters in length and 23 meters below ground. The station consists of three levels, two underground and one on the surface. The 8.36 kilometers section of tunnel was constructed using three methods; earth pressure balance (EPB) TBM; the “false tunnel” system and sequential excavation or Austrian method.

“2015 Major Infrastructure (Canadian) Project of the Year” Award

granted by the Association of Tunnels of Canada (TAC)