WSDOT - I-405, SR 520 to I-5 Improvement Project Scoping Document

Skip Top Navigation Skip to Content

You are here: Home > Agency Projects > I-405 Corridor Program > I-405 Corridor

• I-405 Projects Home
• SR 520 to I-5 Project Home

SR 520 to I-5 Scoping Pages 1-82 (pdf 1.7 MB)
SR 520 to I-5 Scoping Pages 83-140 (pdf 4.5 MB)
SR 520 to I-5 Scoping Pages 141-160 (pdf 4.2 MB)
SR 520 to I-5 Scoping Pages 161-180 (pdf 3.1 MB)
SR 520 to I-5 Scoping Pages 181-214 (pdf 3.0 MB)