Traffic Advisories

Last updated: September 16, 2021

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. 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 

• UPDATED--112^th Avenue NE Corridor Improvements: 112^th Avenue NE between NE 12^th Street and NE 24^th Street - Expect intermittent lane closures and delays June through December to replace sidewalk panels on both sides of the street where tree roots have caused the sidewalk to lift. Construct a new flashing beacon, mid-block crossing and a new median at Hidden Valley Sports Park. Project includes new ADA curb ramps at street corners and a new Traffic Signal at NE 24^th Street intersection. (Construction alert) (Project webpage)
  • NEW--Grinding and paving may begin Sept. 27, weather permitting
• 108th Avenue NE between NE 4th Street and NE 6th Street (555 Office Tower) closed for utilities work and crane work.
  • Closed at 9 a.m. on Sept. 18 through 6 p.m. on Sept. 19. Weekend work hours 9 a.m. to 6 p.m. (alternate work hours 7 a.m. to 6 p.m.)
  • Closed at 7 a.m. on Sept. 25 through 6 p.m. on Sept. 26. Work hours 7 a.m. to 9 p.m. on Sept. 25; 7 a.m. to 6 p.m. on Sept. 26.
• 100th Avenue closed northbound between Main Street and NE 1st Street: Sept. 25 (Sept. 26 as back up date) for portable crane assembly. Closure and work hours 7 a.m. to 7 p.m.  Pedestrian access maintained along sidewalk on west side of 100th Avenue NE; people biking can use detour route or open sidewalks.
• SR 520 Bike Corridor Improvements: Installation of safety improvements at 3 key intersections, Sept. 14 - Oct. 8. Expect directional closures only. Police to provide traffic assistance at intersections.  (Construction alert)
  • Northup Way and 108th Avenue, Night work 9 p.m. to 5 a.m., Monday-Friday
  • Northup Way and NE 24th Street, Work hours 7 a.m. to 4 p.m., Monday-Friday
  • 148th Avenue NE and NE 29th Place. Night work hours 9 p.m. to 5 a.m., Monday-Friday
• 2020 AC Water Main Replacement (Phase 1): Work to replace 3000 linear feet of water main. Roads will remain open during work but expect traffic revisions at the following locations. Work hours: 7 a.m. to 4 p.m. .
  • NE 26th Street between 105th Ave NE and 108th Avenue NE through Oct.
  • 108th Ave NE between NE 24th Street and NE 26th Street through Oct.
  • NE 25^th Street/NE 26^th Street between 105^th Avenue NE and 108^th Avenue NE through Oct. 1
• 2020 AC Main Replacement Phase 2 Project: Work to replace a water main. Expect minor traffic revisions at 172^nd Place NE from 171^st Place NE to NE 8^th Street through Sept.15.
• Eastgate ADA Curb Ramp Replacements Project: Replace existing curb ramps at the following intersection locations. Construction late August through November. Expect minor delays as flaggers alternate traffic around each work zone. Follow flaggers’ instructions. Work hours: Mon.-Fri., 7 a.m. to 6 p.m.
  • 167^th Avenue SE and SE 46^th Street intersection (Construction Alert)
  • 165^th Avenue SE and SE 46^th Street
  • 168^th Avenue SE and SE 46^th Street
  • 164^th Avenue SE and SE 45^th Place
  • 163^rd Place SE and SE 45^th Street
  • 162^nd Lane SE and 162^nd Way SE
  • 162^nd Way SE and SE 45^th Court
  • 160^th Avenue SE and SE 45^th Place
  • 160^th Avenue SE and SE 45^th Street
  • 151^st Avenue SE and SE 54^th Place
  • 150^th Ave SE and SE 44^th Street
  • 150^th Ave SE and SE 43^rd Place
  • 150^th Ave SE and SE 43^rd Street
  • 138^th Ave SE and SE Allen Road
• 106^th Avenue NE between Main Street and NE 2^nd Street (Bellevue Plaza): Southbound closure Sept. 22, and 29 for concrete pump and mixer trucks. Closure hours and work hours: 7 a.m. to 6 p.m. Roadway reduced to one lane in the northbound direction.
• West Lake Sammamish Parkway Phase 2: Construction ongoing through winter 2021 to build a multipurpose path, replace a water main and pave the roadway.  Approved work hours: Mon.-Fri. 7 a.m. to 6 p.m. (Project webpage)
  • Detour August 30 through December 10  (Detour Alert)
    • Southbound traffic will be detoured between Northup Way and SE 26^th Street along 164^th Avenue NE, 164^th Avenue SE, and 168^th Avenue SE.
      • Traffic turning onto the Parkway between Northup Way and the 1844 block must travel northbound.
      • Traffic turning onto the Parkway between SE 1844 block and SE 26^th Street can travel both northbound and southbound.
    • Northbound traffic will not be detoured but may experience delays.
    • 25 mph speed limit reduction
    • Pedestrian and bicycle access maintained on the west shoulder of the Parkway.
    • Driveway access maintained.
• Mountains to Sound Greenway Trail: SE 36^th Street from 132^nd Avenue SE to 142^nd Place SE: Construction of the continuation of the Mountains to Sound Greenway Trail February through November 2021. Expect intermittent lane closures within project area. Approved work hours: Mon. through Fri., 8 a.m. to 4 p.m. Project webpage.
  • Road closed in one continuous closure: Sept. 7 at 7 a.m. through Oct. 4 at 5 p.m. Vehicle detour along SE Eastgate Way between Factoria Boulevard/SE Richards Road and 150^th Avenue SE. Pedestrian access maintained along sidewalk on south side of SE 36^th Street. (Detour Alert)
• Pikes Peak Reservoir Replacement – 122XX-123XX block of NE 39^th Street: Expect intermittent lane closures starting July 6 through fall 2021 for construction of a new water reservoir and underground utilities. Approved work hours, Mon.-Fri., 7:30 a.m. to 4:30 p.m. Bridle Trails Park access and trails will be maintained during construction. Project webpage.
• NE 24^th Street at 172^nd Avenue NE Slope Stabilization Project: Retaining wall construction: June 14 – Dec. 31. Expect lane closures on NE 24^th Street between 171^st Ave NE and 172^nd Ave NE. Follow flaggers' instructions. Work hours: 7 a.m. to 4 p.m., Mon. - Fri. Closures needed to build a retaining wall on the north side of NE 24^th Street between 171^st and 172^nd avenues. NE 24^th Street entrance to Ardmore Park will be closed. Warm Up Trail in Ardmore Park will be partially closed between the bird viewing overlook and NE 24^th Street entrance. Follow detours noted on closure signs. Construction Alert (May 2021)
• 136^th Avenue NE Inlet Station and NE 8^th Street Transmission Main project: Construction ongoing through summer 2021 of a new water inlet station and transmission main. Expect reduced lanes restrictions on NE 8th Street. Approved work hours: Mon.-Fri. 7 a.m. - 6 p.m. Project limits:  NE 8^th St from 126^th Ave NE to 140^th Ave NE (transmission main) and 136^th Ave NE north of 8^th (inlet station site). Project webpage.

Pavement Preservation Program

Paving season is typically from April to October. Pedestrian access maintained unless otherwise indicated. For more information about the paving program, including weekly updates, go to the Pavement Preservation Program webpage. 

• UPDATED--105^th Ave SE between Main Street and SE Wolverine Way: Pavement sealing delayed due to weather. Work to occur in late Sept. No parking barricades with additional information will be placed 72 hours prior to construction. Short duration lane or road closures during construction. Work hours are 7 a.m. to 4 p.m. Flaggers will be on site for traffic control.
• UPDATED-- Cherry Crest Neighborhood: Pavement sealing delayed due to weather. Work to occur in late Sept. No parking barricades with additional information will be placed 72 hours prior to construction. Short duration lane or road closures during construction. Work hours are 7 a.m. to 4 p.m. Flaggers will be on site for traffic control.
  • 126^th Ave NE – NE 24^th St to NE 32^nd St
  • 127^th Ave NE – NE 26^th St to NE 28^th St
  • NE 26^th St – 126^th Ave NE to 127^th Ave NE
  • NE 28^th St - 126^th Ave NE to 127^th Ave NE
  • NE 29^th St - 126^th Ave NE to 127^th Ave NE
  • NE 30^th St – 126^th Ave NE to 128^th Ave NE
• UPDATED--112th Ave SE between SE 8th - Main Street:  Signal work ongoing through Sept. 22, 7 a.m. to 3 p.m., Mon.-Fri. . Single lane closures; expect delays. Flaggers and officers will be on site for traffic control.
• UPDATED--NE 8^th Street between 124^th Avenue NE and 140^th Avenue NE: Pavement marking installation and other miscellaneous work ongoing through September, 7 a.m. to 3 p.m.. Expect single lane closures and delays. Flaggers will be on site for traffic control.
• UPDATED--156^th Avenue NE between NE 10th Street and NE 15th Street: Paving operations ongoing through Sept 27,  7:30 p.m. to 6 a.m. North and southbound traffic will be reduced to one lane. Expect delays and use alternate routes. Flaggers and officers will be on site for traffic control.

East Link Light Rail construction

Visit Sound Transit's East Link webpage to subscribe to receive construction updates. 

• NEW--NE 12th Street between 120th Ave NE and NE Spring Blvd: Right lane closures on eastbound NE 12th, 7 a.m. to 5 p.m.
• NEW--Main Street & 112th Ave NE intersection: Lane closures Sept. 20-21, 7 a.m. to 3 p.m.
• NEW--NE 6th Street & 112th Ave NE intersection: Lane closures Sept. 20-21, 7 a.m. to 3 p.m.
• UPDATED--112th Ave SE between SE 8th and SE 6th Street: Right lane closures on northbound 112th Ave SE, Sept. 21, 7 a.m. to 6 p.m.
• UPDATED--112th Ave SE between Main Street and SE 8th Street: Right lane closures Sept. 13-17 and Sept. 20-24 on northbound 112th Ave SE, 7 a.m. to 3 p.m.
• UPDATED--Bellevue Way SE at 112th Avenue SE ("Y" intersection): Right lane southbound closures on Bellevue Way, Sept. 13-17, 7 a.m. to 3 p.m.
• UPDATED--Bellevue Way SE to westbound I-90 HOV on-ramp, closed as needed, Sept. 13-17 and Sept. 20-24, 6 a.m. to 3 p.m.

Other agency projects

• UPDATED---Washington State Department of Transportation: SR520 Bridge Replacement and HOV Program. More information on project webpage.
  • NEW-- Eastbound SR 520 fully closed Sept. 20 and 21, 9 p.m. to 5 a.m.
  • NEW--Westbound SR 520 fully closed Sept. 16, 22 and 23, 9 p.m. to 5 a.m.
• Washington State Department of Transportation: SR 513 Montlake Bridge: Scheduled closures: Oct. 8-11, Oct. 22-25, Oct. 29-Nov. 1, and Nov. 19-22 from 11 p.m. on Fridays to 5 a.m. on Mondays.
• Washington State Department of Transportation: Renton to Bellevue I-405 Widening and Express Toll Lane Project: More information on project webpage.
  • I-405 near Coal Creek Parkway SE: Beginning Sept. 1, crews will clear trees and vegetation and fill in the ground to create space for highway widening. Work is scheduled to take up to three weeks to complete. Work hours: 7 a.m. to 5 p.m. More information on work notice flyer.
• Washington State Department of Transportation: I-90 - Eastgate to SR 900 - Corridor Improvements.  More information on project webpage.
• King County's 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.  Visit WSDOT's project webpage for more details. 
• King County North Mercer Island/Enatai sewer upgrade project. Construction to begin in 2021 and be complete in 2025.  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 details on project website.
• King County Lake Hills and NW Lake Sammamish Sewer Upgrade Project: More details on project webpage.
• King County Sunset and Heathfield Pump Stations and Force Main Upgrade Project: More details 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:

• Interstate 405 (I-405) and Construction Alerts
• Interstate 90 (I-90) project information 
• State Route 520 (SR 520) project information