I-405 - Renton to Bellevue Widening and Express Toll Lanes - Tukwila to I-90 - Environmental Assessment

WSDOT and the Federal Highway Administration (FHWA) signed the Environmental Assessment (pdf 13.45 mb) for the I-405, Tukwila to I-90 Vicinity Express Toll Lanes Project on July 3, 2018. A 30-day comment period ended on Aug. 9, 2018. 

The State Environmental Protection Act (SEPA) Determination of Non-Significance for the I-405, Tukwila to I-90 Vicinity Express Toll Lanes Project was also published on July 9, 2018.

Summary

Documents for download

Discipline Reports

* Attachment K: Glossary and Attachment L: Acronyms and Abbreviations are included in the Environmental Assessment (pdf 13.45 mb).