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Last updated: November 26
The following traffic advisories reflect current conditions as they are known. The listings below reflect construction work that can affect travel on city streets, sidewalks and trails (note: excludes individual lane closures or lane and sidewalk closures associated with development projects). Expect traffic delays or use an alternate route, if possible. Please obey construction signs and flaggers. Construction schedules are subject to change and often do.
This page is typically updated each Thursday. New information is noted by the word "New" and "Updated" in each category. To receive updates via text or email, select the "subscribe" button.
Click on the different-colored shapes in the map above for more information. Move or enlarge the map using your cursor.
Current construction impacts
- 111th Avenue NE between NE 4th - NE 3rd Streets and mid-block of NE 3rd Place to 111th Avenue NE: Full road closures at both locations scheduled Sat., Nov. 30 from 8:00 a.m. – 6:00 p.m. for mobile crane set-up to transfer equipment to the roof of the Marriot.
- NEW — 106th Avenue NE between NE 2nd - NE 4th Streets: Full road closure scheduled from 3:00 p.m. on Fri., Dec. 6 through 8:00 p.m. on Sun., Dec. 8 for a contractor to dismantle a tower crane. Additionally, the intersection of 106th Ave NE and NE 4th Street will close between 5:00 a.m. and 11:00 a.m. on Sat., Dec. 7. Access to the SOMA Tower parking garage will be maintained.
2024 Citywide Channelization Project
This fall, the City of Bellevue Transportation Department will be implementing intersection improvements and new channelization along streets throughout the city to improve safety for people for people driving, walking and rolling. Construction for each location is expected to take 1-2 working days.
Project sites include:
- Intersection of 100th Avenue and NE 1st Street (new all way stop)
- Main Street just east of 148th Avenue NE (new C-curb)
- Main Street just east of 151st Place (new C-curb)
- 1800 block of W Lake Sammamish Parkway (350 feet of new centerline)
- SE 41st Place between 124th Avenue SE and Factoria Boulevard SE (new center turn lanes)
- Intersection of Factoria Boulevard SE and SE 42nd Street (new side street crosswalk)
- 168th /169th/ 170th Place SE south of Cougar Mountain Way (new centerline)
- SE 40th Street, 140th Avenue SE, SE 37th Street in Eastgate neighborhood (new parking lane striping)
- 116th Avenue SE from SE 56th Street to SE 49th Street (new parking lane striping)
- Somerset Boulevard SE at SE 43rd Street (new “Do Not Block Intersection” markings)
General work hours are 7:00 a.m. – 4:00 p.m. with alternating single-lane traffic guided by traffic control flaggers.
Thank you for slowing down in work zones for the safety of workers and all travelers.
Ongoing construction impacts
- 140th Avenue NE between NE 61st Street and the south end of Bellevue Golf Course: 140th Avenue NE between NE 40th Street and Old Redmond Road: The full, 24-hour road closure for a developer to install a sewer main line within the center of 140th Ave NE has been extended through Nov. 22 due to weather delays. Work hours are 7:00 a.m. – 7:00 p.m., Monday – Friday. North and southbound traffic on 140th Ave NE is detoured to 148th Ave NE. For more information visit, https://140thnewsewer.com/ or contact the project outreach team: 626-427-2017
- Factoria Boulevard SE from SE 38th Street to SE 36th Street: Alternating lane closures starting Jan. 9 for initial construction activities for the Factoria Boulevard Stormwater Conveyance Improvements project. Visit BellevueWA.gov/factoria-stormwater-project for more information
- 124th Avenue NE from Ichigo Way to Northup Way: Crews have begun final construction activities which will take place through the fall including removing construction vehicles and equipment and restoring private properties impacted by the project. Intermittent single-lane closures may be required to complete this work. As you approach the work area, please lower your speeds and follow all flagger instructions, including electronic and detour message signs. The project is anticipated to be substantially complete in fall 2024. More information is available on the project webpage.
- 130th Avenue NE - BelRed Road to NE 20th Street: Starting May 31, 130th Avenue NE will turn into a single, northbound-only to install new utilities and begin the first stage of a new roadway on 130th Avenue NE. Signed detour via 132nd between NE 20th and Bel-Red Road. Local access to businesses will be maintained. Construction anticipated through July 2025. More information is available on the project webpage.
Other agency projects
- Washington State Department of Transportation: SR 520 Bridge Replacement and HOV Program. More information on project webpage.
- Washington State Department of Transportation: I-405 Burlington Northern Bridge to Pedestrian Trail Bridge & I-90/East Fork Issaquah Creek Seismic: More information on project webpage
- Northup Way from 116th Avenue NE to NE 33rd Place: Northup Way is reduced to one lane between 116th Avenue NE and NE 33rd Place. The long-term closure will be in effect daily from 7 a.m.-3 p.m., Monday-Friday. Flaggers will alternate traffic through the work zone.
- Washington State Department of Transportation: I-90 - Sunset Creek - Fish Passage: More information on project webpage.
- NEW — Westbound I-90 on-ramps from 148th/150th Avenues SE: Full ramp closures scheduled from 10:00 p.m. Thurs Nov. 21 to 5:00 a.m. Fri. Nov. 22 for guardrail repair. Signed detours will guide people around the closures.
- HOV on-ramp from 142nd Place Southeast to westbound I-90: Starting Feb. 26, the westbound I-90 HOV lane between 142nd Place Southeast and I-405 will close for up to two years for the next stage of construction. This also includes an extended closure of the HOV on-ramp from142nd Place Southeast to westbound I-90. Signed detours will guide people around the ramp closures. Sound Transit and King County Metro will reroute bus routes that serve the 142nd Place Southeast HOV on-ramp.
- One-lane alternating traffic started Nov. 28 2023 for up to 18 months while WSDOT constructs a bridge over Sunset Creek. Temporary signals will be in place for traffic control.
- A long-term closure of the Mountains to Sound Greenway trail is in effect through spring 2024 to create a work zone between 132nd Avenue SE and an area just east of the Sunset Ravine Trail. A signed detour will guide people rolling and walking around the work zone using the sidewalk on the south side of SE 36th Street.
- Washington State Department of Transportation: Renton to Bellevue I-405 Widening and Express Toll Lane Project: More information on project webpage.
- Eastbound SE 8th St under I-405: Single lane closure of eastbound SE 8th St in place 24 hours per day between Oct. 10 – Dec. 6 for pier construction and drainage work .
- Temporary one-way directional signals along Lake Washington Blvd SE in the Lakehurst Lane neighborhood. The signals are at the north and south end of the work zone and the intersections of Lakehurst Lane SE and Bagley Lane. The signals are required for metering drivers through one-lane during non-working hours. Ecoblocks and construction equipment occupy the northbound lane of Lake Washington Blvd SE between112th Avenue SE and Newcastle Beach Park. The temporary one-way directional signals are anticipated through November and could extended if there are construction issues or weather delays.
- King County Eastrail: More information on project webpage.
- King County Coal Creek Sewer Upgrade Project: King County Wastewater Treatment Division is upgrading its regional sewer line that serves Bellevue and Newcastle. More information on project website.
- King County North Mercer Island/Enatai Sewer Upgrade Project: Crews will locate utilities in north Mercer Island and southwest Bellevue to prepare for major construction activities from spring 2022 and extend until 2025. Sign up for Enatai project area email and text updates from King County on project webpage.
Highway traffic information
Three major highways run through Bellevue. At any given time the state Department of Transportation may be working on projects that can affect traffic in Bellevue. For the most up-to-date information on construction activity, visit WSDOT's web pages: