Alaskan Way Viaduct Replacement Project Update – April 2014

Milepost 31 Events

April 19, 2014 events at Milepost 31First Thursday Speaker Series – Bertha and Progress on the SR 99 Tunnel Project

April 3, 2014
6 – 6:30 p.m.

You’ve been hearing a lot lately about our efforts to replace the State Route 99 Alaskan Way Viaduct. This is a big, complex undertaking. And as we all know, we’ve encountered some challenges. Join us this Thursday at Milepost 31 as speakers from WSDOT and our tunnel contractor, Seattle Tunnel Partners (STP), explain what’s being done to address these challenges and get Bertha, the SR 99 tunneling machine, moving again.


  • Matt Preedy, WSDOT’s deputy administrator for the Alaskan Way Viaduct Replacement Program
  • Chris Dixon, Seattle Tunnel Partners (STP) project manager

History Scavenger Hunt

April 19, 2014
1 – 4 p.m.

Join us at Milepost 31 for our monthly activity for kids. This month we’re hosting a scavenger hunt eggstravaganza  (pdf 371 kb) to discover Pioneer Square’s rich transportation history. Hop on down with your family and friends to explore historic icons and hidden gems in Seattle’s oldest neighborhood. Test your knowledge, check out cool new Pioneer Square locales, and enter to win a grand prize furnished by the Alliance for Pioneer Square. Pick up your scavenger hunt kit at Milepost 31 between the hours of 1 and 4 p.m.

And don’t forget you can find regular updates about Bertha on Twitter by following @BerthaDigsSR99.