• Contract

I-405, Renton to Bellevue - Corridor Widening and ETL

Contract summary

The Renton to Bellevue project will add new capacity to create a two-lane express toll lane system between SR 167 in Renton and Northeast 6th Street in Bellevue. This project will connect a 40-mile system of express toll lanes that improves speeds and trip reliability for all travelers and supports the new I-405 Bus Rapid Transit system included in the Sound Transit 3 package.

Engineer’s Estimate: DB contract approximately $650 Million to $700 Million.
Prequalification: Work Class 6 in the amount of $75 Million.

Public Works
Publication Date
Contract status
Contract ID
King County
Submittal due date and time
Estimated value
$650 Million to $700 Million
Funding source
A state project with a 26% voluntary minority/small/veteran/women business enterprise goal
Chun-Ho Chen
Project Engineer