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Last updated: August 20
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
- NEW: Bridge Resurfacing Schedule
- 8 p.m. Aug. 28 – 6 p.m. Aug. 29: NE 12th Street just east of NE Spring Boulevard, over the train tracks; and NE 12th Street just west of 124th Avenue NE.
- Night work: 8 p.m. – 5 a.m. on Sept. 1 and 2: Lakemont Boulevard SE just south of I-90
- Night work: 6 p.m.- 6 a.m. on Sept 9 and 10: 120th Avenue NE just north of NE Spring Boulevard
Ongoing construction impacts
- Lake Hills Boulevard: The temporary closure of Lake Hills Boulevard between 151st Avenue SE and 154th Avenue SE has been extended through Oct. 1 due to unexpected construction challenges that developed after construction started. Temporary signals and a detour will continue to be in place. The Lake to Lake trail will continue to detour to 151st Ave SE around the construction zone with detour signs in place. Project details.
- 100th Avenue NE between NE 14th Street and NE 17th Street: 100th Avenue NE will be closed between NE 14th Street and NE 17th Street through October. One-way local access will be maintained to all driveways. More information is on the project webpage.
- Beaux Arts Water Main Replacement: Daytime closures of SE 16th Street and Killarney Way from 7 a.m.-5 p.m. Monday- Friday until Aug 31.
- Mountains to Sound Greenway Phase 3: As early as August 3, SE 36th Street will be reduced to single-lane, alternating traffic managed by a temporary signal between 142nd Avenue NE - 146th Avenue NE. The temporary signal will be in place 24/7 for approximately one year. For more information visit BellevueWA.gov/mtsgreenwaytrail.
- Urban Core Bike Network Phase 1: Crews began repaving 100th Ave NE/Main Street and 116th Ave NE/Main Street on July 15. Work will pause for 3-4 weeks and resume to install new channelization/striping and bike signals. Work is expected to primarily occur daytime work hours of 7 a.m. – 6 p.m. Monday-Friday. For more information visit BellevueWA.gov/urban-bike-network
- Bel-Red Road from NE 30th Street to West Lake Sammamish Parkway will experience lane closures from now through the end of August to add buffered bike lanes. City of Redmond Project.
- Main Street between 108th Avenue NE – 112th Avenue NE: The curb-side lane of westbound Main Street near 110th Avenue SE is closed between the hours of 8:30 a.m. – 3:00 p.m., Monday-Friday until further notice. Access for people walking and rolling and access to businesses will be maintained. More information is on the project webpage.
Pavement Preservation Program
Paving season is typically from April to October. Flaggers will be onsite for traffic control and pedestrian access unless otherwise indicated. More information about the paving program, including weekly updates, on the program webpage.
Work is weather dependent. Please slow down for the safety of workers and all travelers. Traffic may be reduced to one-way alternating traffic, expect delays. Work hours are Monday – Friday.
ADA upgrades scheduled Monday-Friday, 8 a.m. – 4 p.m., expect lane closures and delays:
- No work scheduled
Pavement upgrades are weather dependent and scheduled Monday-Friday, 7 a.m. – 4 p.m., expect delays, single-lane closures with one-way alternating traffic; unless otherwise noted.
- No work scheduled
Other agency projects
Washington State Department of Transportation:
- SR 520 Bridge Replacement and HOV Program: More information on the project webpage.
- Washington State Patrol and WSDOT are partnering to boost compliance with the requirement to have three people in the vehicle to drive in the HOV lane.
- All lanes of eastbound and westbound SR 520 between I-5 in Seattle (milepost 0) to just west of the Interstate 405 interchange (milepost 7) will be closed from 11 p.m. Fri., Jul. 24, to 7 a.m. Sat., Jul. 25:
- 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: WSDOT crews will close a single lane beginning April 5 for several months from 7 a.m.-3 p.m., Monday-Friday. The bicycle lane and sidewalk under I-405 will also be closed during working hours. Signs and flaggers will guide travelers and pedestrians through the work zone. Cyclists will merge with traffic when the bike lane is closed. Daytime lane closures are part of a project to bolster overpasses along I-405 to help them withstand an earthquake.
- I-405/Renton to Bellevue Widening and Express Toll Lane Project: More information on project webpage.
- I-405 construction closures that will impact Bellevue drivers: (Dates are weather dependent, signed detour in place.)
- NEW: Aug. 21-24: Southbound I-405 will close from Coal Creek Parkway Southeast to North 30th Street from 11:30 p.m. Friday, Aug. 21, to 4 a.m. Monday, Aug. 24.
- The following on-/off-ramps will be closed:
- Coal Creek Parkway Southeast on-ramp to southbound I-405
- Lake Washington Boulevard on-/off-ramps (exit 9)
- Northeast 44th Street on-/off-ramps (exit 7)
- Southbound I-405 off-ramp to Northeast 30th Street (exit 6)
- NEW: Aug. 24-28: Coal Creek Parkway under I-405 will have a lane closure from 10:15 p.m. to 5:00 a.m.
- NEW: Aug. 21-24: Southbound I-405 will close from Coal Creek Parkway Southeast to North 30th Street from 11:30 p.m. Friday, Aug. 21, to 4 a.m. Monday, Aug. 24.
- I-405 construction closures that will impact Bellevue drivers: (Dates are weather dependent, signed detour in place.)
- I-405 and NE 85th Street Interchange Project: More information on project webpage.
- Next closure Aug. 28.
- I-90 Projects and Maintenance:
- Sunset Creek - Fish Passage: More information on project webpage.
- SE Eastgate Way will experience single-lane closures between Richards Road and 139th Avenue SE from 6 a.m. to 6 p.m., Monday – Saturday through the summer.
- NEW: Aug. 20 & 21, 8 p.m. to 5 a.m. - SE Newport Way I-90 eastbound onramp will be closed and flagging traffic on SE Newport Way for temporary barrier placement.
- I-90 Paving: Overnight eastbound I-90 lane and ramp closures in Bellevue. The following closures are planned from as early as 9 p.m. to 5 a.m. the next morning:
- Sunday night, Aug. 23
- Three lanes of eastbound I-90 between Bellevue Way Southeast and 150th Avenue Southeast
- 142nd Place Southeast on-ramp to eastbound I-90
- Monday night, Aug. 24
- Bellevue Way Southeast on-ramp to eastbound I-90
- Eastbound I-90 off-ramp to Factoria Boulevard Southeast
- One lane of eastbound I-90 between Bellevue Way Southeast and Factoria Boulevard Southeast
- Tuesday night, Aug. 25
- Three lanes of eastbound I-90 between Bellevue Way Southeast and 150th Avenue Southeast
- Bellevue Way Southeast on-ramp to eastbound I-90
- Northbound and southbound I-405 ramps to eastbound I-90
- Eastbound I-90 off-ramps to 148th and 150th avenues southeast
- Wednesday night, Aug. 26
- Three lanes of eastbound I-90 between Bellevue Way Southeast and 150th Avenue Southeast
- Eastbound I-90 on- and off-ramps at Bellevue Way Southeast
- Thursday night, Aug. 27
- Bellevue Way Southeast on-ramp to eastbound I-90
- Eastbound I-90 off-ramp to Factoria Boulevard Southeast
- One lane of eastbound I-90 between Bellevue Way Southeast and Factoria Boulevard Southeast
- Signed detours will guide people around ramp closures
- Sunday night, Aug. 23
- WSDOT General Pavement Repair in/near Bellevue: The following closures are planned from 9 p.m. to 5 a.m. the next morning unless noted.
- Thursday, Aug. 20
- Two right lanes on westbound State Route 520 between Northeast 60th Street and SR 202
- Westbound SR 520 on-ramp from West Lake Sammamish Parkway
- From 10 p.m. Friday, Aug. 20, until 5 a.m. Aug. 21, the southbound Interstate 5 off-ramp to westbound SR 518
- Monday, Aug. 24
- Two lanes on southbound I-405 from SR 520 to Northeast 12th Street
- From 9 p.m. Monday, Aug. 24, to 12:30 a.m. Tuesday, Aug. 25, the southbound I-5 off-ramp to westbound SR 518
- From 9 p.m. Monday, Aug. 24, to 12:30 a.m. Tuesday, Aug. 25, the 51st Avenue South on-ramp to westbound SR 518
- Tuesday, Aug. 25
- From 12:30 to 1:30 a.m., the southbound I-5 ramp to northbound I-405
- From 2 to 4 a.m., the northbound I-5 ramp to northbound I-405/westbound SR 18
- Southbound I-5 off-ramp to westbound SR 18
- Westbound SR 18 on-ramp to northbound I-5
- Wednesday, Aug. 26
- Northbound I-405 on-ramps from eastbound and westbound SR 520
- Two lanes on westbound SR 520 between Northeast 60th Street and SR 202
- Thursday, Aug. 27
- Two lanes of eastbound SR 520 between I-405 and Northeast 40th Street
- Thursday, Aug. 20
- Sunset Creek - Fish Passage: More information on project webpage.
King County
- Eastrail: More information on project webpage.
- NEW: Aug. 24 – Sept. 5, 9 p.m. to 5 a.m. - Full closure of SE 8th just east of I405 to west of fire station 7 (121st Ave SE). A signed detour route will be in place.
- 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 or CoalCreekProject@kingcounty.gov
- UPDATE: Southbound lane closures on Coal Creek Parkway SE are permitted for weekdays, 6:00 am to 3:00 pm. A northbound lane closure near the Factoria Boulevard SE intersection is permitted for weekdays from 10:30 am to 7:30 pm.
- During 24/7 tunneling, northbound traffic impacts will include a lane closure on Coal Creek Parkway SE near Forest Drive SE. This single lane closure will be in effect from 10:30 am to 5:00 am, 7 days a week. It will not be in effect between 5:00 am and 10:30 am to help reduce morning commute impacts.
- The Red Cedar trailhead will remain closed to all public use during this work. Other trailheads in the area such as the Cinder Mine, Red Town, Coal Creek Family YMCA, and Forest Drive trailheads are available for trail users.
- UPDATE: Southbound lane closures on Coal Creek Parkway SE are permitted for weekdays, 6:00 am to 3:00 pm. A northbound lane closure near the Factoria Boulevard SE intersection is permitted for weekdays from 10:30 am to 7:30 pm.
- North Mercer Island/Enatai Sewer Upgrade Project: Crews will locate utilities in north Mercer Island and southwest Bellevue to prepare for major construction activities. Sign up for Enatai project area email and text updates from King County on project webpage.
- King County Metro is expanding their services on August 29:
- New Route 215 will provide an all-week connection between North Bend, Snoqualmie, Issaquah and Mercer Island Station.
- New routes 220 and 270 will replace Route 271 to improve speed and reliability between Eastgate, downtown Bellevue and the University District.
- Revised routes 111, 218 and 269 will run more frequently and connect riders to the 2 Line at South Bellevue or Mercer Island stations.
- Routes 111 (between Renton and South Bellevue Station) and 269 (between Sammamish and Mercer Island Station) will expand to all-day, all-week service, with earlier morning trips, later evening service and more frequent buses.
Sound Transit: For updates and service alerts from Sound Transit, visit soundtransit.org/ride-with-us/service-alerts. To check King County Metro routes impacted by construction, visit Metro's Service advisories.
- Aug. - Feb. 2027: Bellevue Transit Center: construction crews are retrofitting the current Bellevue Transit Center Bus Depot to accommodate the Stride double-decker battery electric buses. Construction is expected to last through February 2027.
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: