Program Brochures

Building a new State Route 99 through Seattle, January 2013 (pdf 1.1 Mb)

Replacing the viaduct's south end, September 2012 (pdf 865 kb)

Understanding the program's  cost and funding, September 2012 (pdf 431 kb)

Tunneling toward a new SR 99 corridor, January 2013 (pdf 1.2 Mb)

SR 99 tunnel safety, September 2012 (pdf 417 Kb)

SR 99 tunnel launch pit, March 2013 (pdf 487 kb)

Protecting structures along the SR 99 tunnel route, September 2012 (pdf 755 kb)