Tunnel boring machine hole-through (September 2016)

Name: Tunnel boring machine hole-through (September 2016)
Uploaded: 2016-09-02T17:29:24+00:00
Duration: 13 s
Channel: Sound Transit
Description: Sound Transit contractors have completed mining the last tunnel segment for the Northgate Link Extension twin tunnels. Their tunnel boring machine has holed through the wall of a retrieval shaft at the University of Washington Station.

Sound Transit contractors have completed mining the last tunnel segment for the Northgate Link Extension twin tunnels. Their tunnel boring machine has holed through the wall of a retrieval shaft at the University of Washington Station.