Last updated: Sept. 22
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.
- SE Eastgate Way and 142nd Place SE bridge: WSDOT has closed the 142nd Pl SE bridge to northbound traffic until further notice due to damage sustained when an excavator hit the bridge. More information on WSDOT traffic alerts.
Current construction impacts
- 110th Avenue SE between Main Street and SE 1st Street: Full closure Sept. 14-26, Monday-Friday, 7 a.m.-6 p.m. and Saturday, 9 a.m.-6 p.m. for road construction. Pedestrian access will be maintained on the west side of 110th Avenue NE.
- 108th Avenue between NE 4th and 6th Streets: Full closure Sept. 24-25, 9 a.m.-6 p.m. for construction. Pedestrian access maintained on the east side of 108th Avenue NE. Garage access north and south of the closure will be maintained.
Ongoing construction impacts
- NEW -- 124th Avenue NE between NE 12th Street and Spring Boulevard: Lane closures Sept. 26-Oct. 31 for utility installation. Flaggers will assist motorists and pedestrians through the work zone.
- NEW -- 130th Avenue NE at NE Spring Boulevard: Intersection closure Oct. 10-17, 24-hour continuous closure for construction. Flaggers and police officers will assist motorists and pedestrians. Bicyclists follow vehicular detour or pedestrian route. More information on project webpage.
- NEW -- 110th Avenue SE between Main Street and SE 1st Street: Intermittent lane closures Sept. 7 through October, Monday-Friday, 7 a.m.-6 p.m. for sidewalk construction. More information on project webpage.
- Lake Hills Boulevard and 148th Avenue SE Intersection Project: Lane closures, Sept. 6-Oct. 31, Monday-Friday, 7 a.m.-4 p.m. for intersection improvements and the installation of an additional westbound lane. Flaggers and police officers will be present to assist motorists and pedestrians through the work zone.
- West Lake Sammamish Parkway Phase 2: Single lane closures between NE 2nd Pl and Northup Wy, and NE 2nd Pl and 174th Pl NE through September. Work hours, Monday-Friday, 7 a.m.-5 p.m.
- UPDATED -- 124th Avenue NE at NE 12th Street: Lane closures begin Sept. 6 through mid-October for signal work. Delays are expected. Flaggers and police officers will assist motorists and pedestrians through the work zone. Please slow down for worker and pedestrian safety. More information on project webpage.
- Mountains to Sound Greenway Trail – SE 36th Street from 132nd Avenue SE to 142nd Place SE: The trail is now open; however, expect intermittent lane closures of the trail over the next few months to complete the remaining work. More information on project webpage.
- Pikes Peak Reservoir Replacement – 122XX-123XX block of NE 39th Street: Expect intermittent lane closures through September 2022 for construction of a new water reservoir and underground utilities. Work hours, Monday-Friday, 7:30 a.m.-4:30 p.m. Bridle Trails Park access and trails will be maintained during construction. More information on project webpage.
Pavement Preservation Program
Paving season is typically from April to October. Flaggers will be onsite for traffic control and pedestrian access maintained unless otherwise indicated. More information about the paving program, including weekly updates on the program webpage.
- Main Street between 140th and 156th Avenues NE: Intermittent lane closures and traffic delays Aug. 22-Oct. 23, Monday-Friday, 7 a.m. to 4 p.m. Pedestrian access maintained.
East Link Light Rail construction
- NEW -- NE 20th Street adjacent to 136th Place: More information on project webpage.
- Sound Transit will close two lanes on NE 20th St from 8 p.m. Thursday, Sept. 22 to 6 a.m. Friday, Sept. 23 to perform track work.
- Sound Transit will close all lanes on NE 20th St from 8 p.m. Friday, Sept. 23 to 4 p.m. Saturday, Sept. 24 to perform track work.
- SR 520 between NE 40th Street and 148th Avenue NE: Sound Transit continues to install a pair of pedestrian bridges over the roadway. The work is part of Sound Transit’s Downtown Redmond Light Rail extension.
Other agency projects
- NEW -- Washington State Department of Transportation: I-90/Homer Hadley East Approach Bridge: More information on project webpage.
- Westbound I-90 west of 76th Avenue SE: Westbound I-90 will be reduced to one lane west of 76th Avenue SE on the west side of Mercer Island from 6 p.m. Thursday, Sept. 22 to 10 a.m. Friday, Sept. 23. Expect traffic delays and congestion.
- Westbound I-90 to the Homer Hadley Bridge: All westbound I-90 lanes will close at Island Crest Way from 10 a.m. Sept. 23 to 5 a.m. Sept. 26. One lane of the West Mercer Way on-ramp will remain open. Use I-405 or SR 520 as an alternative route.
- Washington State Department of Transportation: I-90 - Eastgate to SR 900 - Corridor Improvements: More information on project webpage.
- Washington State Department of Transportation: Renton to Bellevue I-405 Widening and Express Toll Lane Project: More information on project webpage.
- Main Street between 112th and 116th Avenues NE: Main St will close for up to 5 months while crews demolish the existing bridge then build a new bridge. Signs will direct travelers to nearby detours. NE 4th St will operate as the planned detour route. Travelers should expect increased congestion in the area. Detour map.
- Washington State Department of Transportation: SR 520 Bridge Replacement and HOV Program: More information on project webpage.
- NEW -- Westbound SR 520 between 92nd Avenue NE and I-5 in Seattle: Westbound lane closures Sept. 28 and 29, 9 p.m.- 5 a.m. nightly.
- Washington State Department of Transportation: SR 520 and 148th Avenue NE at Overlake Village area in Redmond: WSDOT has shifted lanes on 148th Ave NE west to excavate a tunnel on the east side of the road. By fall of 2023, access to nearby businesses, neighborhoods and the new light rail station will improve with the addition of a new access ramp. Plan additional travel time due to a lowered speed limit of 30 mph and temporary signals. More information on project webpage.
- King County Eastrail: Washington State Department of Transportation, in partnership with King County Parks, is overseeing construction of 2.5 miles of new paved Eastrail in Renton and Bellevue. More information on WSDOT's 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 Lake Hills and NW Lake Sammamish Sewer Upgrade Project: More information on project webpage.
- King County Lake Hills sewer relining: More information on project webpage.
- 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 beginning spring 2022 and extending until 2025. Sign up for Enatai project area email and text updates from King County on project webpage.
- Sweyolocken Boat Launch: Road closed from Bellevue Wy SE to the Sweyolocken Boat Launch. The area south of the Sweyolocken Pump Station will be closed as well. The I-90 Trail will be closed to the east and southwest of the pump station during construction. Detours for trail traffic will be alongside streets near the South Bellevue Park and Ride to the I-90 Bike Trail near 108th Ave SE.
- King County Sunset and Heathfield Pump Stations and Force Main Upgrade Project: More information on project website.
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: