Program Brochures

Building a new State Route 99 through Seattle, September 2012 (pdf 927 kb)

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, September 2012 (pdf 1.4 Mb)

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

SR 99 tunnel launch pit, September 2012 (pdf 597 kb)

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