Events and Activities

First Thursday Speaker Series

Bertha and Progress on the SR 99 Tunnel Project

Seattle Tunnel Partners, the contractor hired by WSDOT to design and build the SR 99 tunnel, is working to repair the SR 99 tunneling machine. Join us to learn more about STP's plan to resume tunneling by the end of March 2015, and learn about the other work happening to replace the viaduct.

6 – 6:30 p.m.
Friday, Sept. 5
Milepost 31, 211 First Ave. S., Seattle
Admission is free.

Family Fun at Milepost 31

Join us at Milepost 31 for our monthly activity for kids. Check back soon for more details.


Specialty Tours

Scouting and K-12 school group tours

Join Milepost 31 staff for a guided tour of the information center and hands-on activities near the SR 99 tunnel construction site.

To request a tour, please fill out this form (pdf 97 kb) and email to viaduct@wsdot.wa.gov.

Senior center group tours

Bring your group on a guided tour of the information center and to the paved path west of the SR 99 tunnel construction site. These tours are ADA accessible and appropriate for guests with limited mobility.

To request a tour, please fill out this form (pdf 97 kb) and email to viaduct@wsdot.wa.gov.

Self-guided tour

Take a self-guided tour (pdf 466 kb) of the SR 99 Tunnel Project's massive work zone. Walk or bike along the paved path west of the construction area, near the stadiums. Displays along the path describe construction activities, machinery at work and the area’s history.

*Guided tours of Milepost 31 are available upon request.

Bertha Model

 

Bertha Model