Seattle Tunnel
From jeers to cheers for Bertha
Bertha punched through as much criticism as rock in 2016
Bertha now 70 percent done as 1,000th ring assembled
Watch two WSDOT videos to see what’s happening in Seattle’s basement
Bertha hits it’s deepest point underneath Seattle
The tunnel boring machine is now 60 percent done with her journey
WSDOT installing quake-resistant bridge
Bendable bridges could bounce back after a quake
Break out the balloons, Bertha crosses the mile mark
5,280 feet down, 3,990 feet to go
Here’s 5 Seattle-based costume ideas for Halloween
Forget superheros and zombies, spend Halloween as something much more Seattle-y
After quicker-than-expected break, Bertha is digging again
These days, Bertha seems to get going a lot faster than expected
Bertha now under Pike Place Market, halfway home
The tunnel boring machine is actually staying on schedule these days
Bertha now under The Showbox, 4,239 feet into journey
The tunnel boring machine is making good time these days
The Seattle tunnel is finished (no, the other one)
The tunnel underneath Seattle is finished, but not the one you’re thinking of
Bertha tunnels past the 4,000 foot mark under Seattle
Ever since she restarted, Bertha has been moving forward without many problems
Bertha overruns now $223M, tunnel opening pushed to 2019
As a reminder, Bertha was originally supposed to be surface in South Lake Union in October 2014 and the tunnel was supposed to open by the end of 2015.
Bertha restarts tunnel dig with new teeth
STP says they expect to stop two more times for maintenance before they reach the north portal, Bertha’s final destination and the end point for the new tunnel.
How WSDOT will build a roadway in Bertha's tunnel
We don't drive on round roads. That seems obvious, but how do you put a flat road into a round tunnel. There's a video for that.
Bertha takes maintenance break after 3,088 feet
As of this week, Bertha has tunneled 3,088 feet, most of which has been accomplished in the past eight weeks. At this point, nearly one-third of the way there, it’s time for a scheduled maintenance break.
Bertha Hits 2,000 Feet, Heads Under Downtown
Considering how badly Bertha's first couple years under Seattle went, it's been a pleasant surprise to see how smoothly her journey has gone since restarting.
Bertha Passes 385-Foot Mark But Isn't Stopping Yet
Wednesday, WSDOT announced that Bertha the boring tunnel machine had reached her latest goal and had officially moved past the Alaskan Way Viaduct.
Alaskan Way Viaduct Re-Opens Ahead of Schedule
WSDOT has clearly learned a valuable lesson from all of the troubles involving Bertha since her inception. Under-promise and over-deliver. A week early, the Alaskan Way Viaduct is open for business for this morning's commute.
Watch Drone Video Inside Bertha's Tunnel
As we speak (write), Bertha is boring under the Alaskan Way Viaduct. We no longer have the opportunity to watch the recovery effort because the greatest activity is happening underground. WSDOT found a fix for that.
Bertha Stops Drilling...On Purpose This Time
For once, Bertha has taken a break from drilling under Seattle on purpose.