I-405/Renton to Bellevue Widening and Express Toll Lanes Project

Project overview

Travelers on Interstate 405 between Renton and Bellevue experience one of the state’s worst commutes. The I-405/Renton to Bellevue Widening and Express Toll Lanes project includes multimodal transportation and safety improvements to offer more reliable travel choices and keep drivers, transit riders and freight moving.

The Renton to Bellevue project will add new capacity to create a two-lane ETL system between SR 167 in Renton and Northeast Sixth Street in Bellevue. In general, the project will add one new lane in each direction and combine the existing HOV lane with the new lane to create a dual ETL system.

The new ETLs will connect to the existing express toll lane system between Bellevue and Lynnwood, as well as the SR 167 HOT lanes via the I-405/SR 167 Interchange Direct Connector, to create a 40-mile ETL system. This project is designed to improve speeds and trip reliability for all travelers and support the new I-405 Bus Rapid Transit (BRT) line between Lynnwood and Tukwila included in the voter-approved Sound Transit 3 package.

What to expect

UPDATE: The southbound SR 167 closure from July 11-14 is rescheduled to a later date. The information has been removed below.

Multiple directional closures along I-405, July 11-14

Travelers should plan for closures on southbound Interstate 405 in Kirkland and northbound I-405 in Renton from Friday, July 11 to Monday, July 14. Crews will be completing complex construction activities for two projects along I-405:

• I-405/Northeast 85th Street Interchange and Inline BRT Station Project
• I-405/Renton to Bellevue Widening and Express Toll Lanes Project

What to expect

Travelers should expect on Saturday and Sunday, July 12-13:

• Heavy traffic on the Eastside on northbound and southbound I-405

Detour routes cannot accommodate normal I-405 traffic volume, so travelers are advised to “know before you go," travel during off-peak hours or, if possible, delay discretionary travel to help minimize backups.

Closure details

Southbound I-405 in Kirkland will be closed from Northeast 124th Street to Northeast 70th Place from 11 p.m. Friday, July 11 to 4 a.m. Monday, July 14. Crews will pave southbound I-405. A signed detour route will be in place.

The following ramps will be closed:

• Northeast 116th Street on-ramp to southbound I-405
• Northeast 85th Street on-ramp to southbound I-405
• Southbound I-405 off-ramp to Northeast 85th Street 

Northbound I-405 in Renton will be closed from SR 169 (Exit 4) to Sunset Boulevard Northeast from 11:59 p.m. Friday, July 11 to 4 a.m. Monday, July 14. Crews will install drainage and replace overhead sign structures and pavement panels. A signed detour route will be in place.

The following ramps will be closed:

• SR 169 on-ramp to northbound I-405
• Northbound I-405 off-ramp to Sunset Boulevard Northeast (Exit 5)

Work is dependent on good weather and may be rescheduled. Schedule updates will be available on the project webpages, WSDOT’s Travel Center map, the WSDOT mobile app and by signing up for King County email updates.

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Upcoming night work

Week of July 13 – July 19

City of Renton:

• Installation of drainage near I-5. (4 nights: 7/14-7/17)
• Installation of CCTV pole near I-5. (1 night: 7/14)
• Installation of drainage near the Cedar River. (4 nights: 7/14-7/17)
• Directional bore work near the Cedar River. (2 nights: 7/14-7/15)
• Installation of drainage for wall 3.30R. (4 nights: 7/14-7/17)
• Area ramp barrier work for wall 7.46L. (5 days/nights: 7/14-7/18)
• Full closure of Northeast 44th Street, on- and off-ramps from southbound I-405 and off-ramp from northbound I-405 will be closed. (3 nights: 7/18-7/21)
• Full closure of northbound I-405 from SR 169 off-ramp to Southport Drive on-ramp. (3 nights: 7/11-7/13)
   

City of Bellevue:

• Installation of CCTV and luminaires near bridge 40ETL. (4 nights: 7/14-7/17)
• Clearing and grubbing and stripping and hauling near I-90. (2 nights: 7/14-7/15)
• Installation of drainage near I-90. (4 nights: 7/14-7/17)
• Wire pulling near Main Street. (4 nights: 7/14-7/17)
   

City of Newcastle:

No night work scheduled in this period
 

Week of July 20 – July 27

City of Renton:

• Directional bore work near I-5. (4 nights: 7/21-7/24)
• Installation of drainage for wall 3.30R. (4 nights: 7/21-7/24)
• Area ramp barrier work for wall 7.46L. (5 days/nights: 7/21-7/25)
   

City of Bellevue:

• Installation of drainage near I-90. (4 nights: 7/21-7/24)
• Installation of CCTV and luminaires near bridge 40ETL. (4 nights: 7/21-7/24)
• Installation of drainage near I-90. (4 nights: 7/21-7/24)
• Embankment work, drainage installation, and detention vault work near Main Street. (5 nights: 7/21-7/25)
   

City of Newcastle:

No night work scheduled in this period