Proposed tunnel under Stonehenge would challenge engineers
BBC News » A $1.7 billion plan is being developed to relieve [...]
Video: How a double-deck highway is built inside the Seattle tunnel – with enough concrete to fill 9 football stadiums
GeekWire » The Washington State Department of Transportation (WSDOT) takes viewers on [...]
A video of the difficult work of changing Seattle tunnel machine’s cutting tools
GeekWire » Seattle Tunnel Partners (STP) has released a video of construction [...]
Alaskan Way Viaduct reopens early as Bertha bores on
The Seattle Times » The Alaskan Way Viaduct was scheduled to be [...]
Sinkhole worries loom large as Bertha prepares for dive under viaduct, downtown
The Seattle Times » In January 2016, a geotechnical expert for [...]
State wants answers before Bertha resumes digging
The Seattle Times » The Seattle Tunnel Partners (STP), the contractor [...]