Road closure
High priority
Source: WSDOT Highway Alerts
Boat Traffic
099: WSDOT alert for King County.
On SR 99 northbound & southbound at 1st Ave S Bridge (MP 26) all lanes will be closed today at 10:41 AM due to boat traffic. Drivers should anticipate a delay of up to 15 minutes or consider using an alternate route.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The 70th Street on-ramp to northbound I-405 will be closed overnight, 11 p.m. Friday, Oct. 16 – 7 am. Saturday, Oct. 17.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The northbound I-405 off-ramp to Northeast 85th Street will be closed overnight, 11 p.m. Friday, Oct. 16 – 7 am. Saturday, Oct. 17.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
Up to three lanes of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed overnight from 11 p.m. Friday, Oct. 16 to 9 a.m. Saturday, Oct. 17.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
Two Express Toll Lanes (ETL’s) of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed overnight from 8:30 p.m. Friday, Oct. 16 to 9 a.m. Saturday, Oct. 17.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The right general-purpose lane of southbound I-405 between SR 522 (milepost 23.47) and Northeast 128th Street (milepost 21.45) will be closed overnight from 8 p.m. to 7 a.m. starting Friday night, Oct. 16 to Saturday morning, Oct. 17.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
090: WSDOT alert for King County.
The eastbound I-90 off-ramp to Factoria Boulevard Southeast will be closed overnight from 9 p.m. – 7
a.m., starting the night of Friday, Oct. 16 to the morning of Saturday, Oct. 17. A signed detour will be in
place.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The Southeast Eighth Street on-ramp to northbound I-405 will be closed day and night, 11 p.m. – 4 a.m., starting the night of Friday, Oct. 16 to the morning of Monday, Oct. 19. Signed detours will be in place.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The northbound I-405 off-ramp to Northeast Fourth Street / Northeast Eighth Street will be closed day and night, 11 p.m. – 4 a.m., starting the night of Friday, Oct. 16 to the morning of Monday, Oct. 19. Signed detours will be in place.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
All lanes of northbound I-405 from Southeast Eighth Street to Northeast Fourth Street will be fully closed day and night, 11 p.m. – 4 a.m., starting the night of Friday, Oct. 16 to the morning of Monday, Oct. 19. Signed detours will be in place.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
Up to three lanes of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed nightly from 10:30 p.m. - 4:30 a.m. starting the night of Wednesday, Oct. 14 to the morning of Friday, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The right lane of the westbound SR 522 off-ramp to southbound I-405 will be closed overnight from 9 p.m. to 8 a.m. starting Friday night, Oct. 16 to Saturday morning, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The Northeast 85th Street on-ramp to southbound I-405 will be closed overnight, 10 p.m. Friday, Oct. 16 – 6 am. Saturday, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The right lane of the northbound I-405/Northeast 160th Street off-ramp to eastbound SR 522 will be closed nightly from 10 p.m. to 5 a.m. starting Monday night, Oct. 12 to Saturday morning, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The Northeast 85th Street on-ramp to northbound I-405 will be closed overnight, 11 p.m. Friday, Oct. 16 – 7 am. Saturday, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
090: WSDOT alert for King County.
The eastbound I-90 off-ramp to Factoria Boulevard Southeast will be closed overnight from 9 p.m. – 7
a.m., starting the night of Friday, Oct. 16 to the morning of Saturday, Oct. 17. A signed detour will be in
place.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
203: WSDOT alert for King County.
From 7 p.m. to 6 a.m. Sunday nights through Friday mornings beginning Monday, July 27, one lane of State Route 203 will be closed for a paving project between just south of Duvall to the Monroe city limits (mileposts 12.53 to 23.20). Flaggers and pilot cars will direct alternating traffic through the remaining open lane.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The southbound I-405 off-ramp to Northeast 85th Street will be closed overnight, 10 p.m.
Friday, Oct. 16 – 6 a.m. Saturday, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The eastbound SR 522 on-ramp to southbound I-405 will be closed overnight from 10 p.m. to 4 a.m. starting Friday night, Oct. 16 to Saturday morning, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
Two Express Toll Lanes (ETL’s) of southbound I-405 between milepost 18.11 and milepost 16.45 will be closed overnight from 8 p.m., Friday, Oct. 16 – 8 a.m. Saturday, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
The Northeast 160th Street on-ramp to southbound I-405 will be closed overnight from 10 p.m. to 6 a.m. starting Friday night, Oct. 16 to Saturday morning, Oct. 17.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
522: WSDOT alert for King County.
On SR 522 eastbound at 65th Ave NE (MP 7) the right lane is closed due to roadwork.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
522: WSDOT alert for King County.
On SR 522 westbound at 73rd Ave (MP 8) the right lane is closed due to roadwork.
View source on WSDOT
Road closure
High priority
Source: WSDOT Highway Alerts
Maintenance
090: WSDOT alert for King County.
Westbound milepost 54 to 47 Snoqualmie Pass. Until further notice, Monday through Thursday from 6 a.m. to 4:30 p.m. daily, there will be continuous single-lane closures for maintenance work.
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Construction
High priority
Source: WSDOT Highway Alerts
Construction
018: WSDOT alert for King County.
Daily, from 8 a.m. to 2 p.m. Monday, Oct. 5 to Thursday, Oct. 22 westbound State Route 18 will have one lane closed between Raging River Bridge (milepost 26) and Tiger Mountain Summit Forest Park (milepost 23.61) near Tiger Mountain summit. One westbound lane will remain open each day. There will not be lane reductions Fridays, Saturdays or Sundays.
View source on WSDOT
Construction
High priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
Up to three lanes of southbound I-405 between milepost 18.11 and milepost 16.45 will be closed overnight, from 10 p.m. Friday, Oct. 16 – 7 a.m. Saturday, Oct. 17.
View source on WSDOT
Construction
High priority
Monday, September 14 to the morning of Saturday, September 19: The southbound I-405 off-ramp to Northeast 85th Street will be closed, nightly from 10 p.m. – 4 a.m.
405: WSDOT alert for King County.
Monday, September 14 to the morning of Saturday, September 19: The southbound I-405 off-ramp to Northeast 85th Street will be closed, nightly from 10 p.m. – 4 a.m.
Construction
High priority
The right lane of the eastbound SR 522 off-ramp to southbound I-405 will be closed nightly from 10 p.m. Tuesday, August 18 to 4 a.m. Friday, August 21.
405: WSDOT alert for King County.
The right lane of the eastbound SR 522 off-ramp to southbound I-405 will be closed nightly from 10 p.m. Tuesday, August 18 to 4 a.m. Friday, August 21.
Road alert
Medium priority
Source: WSDOT Highway Alerts
Maintenance
005: WSDOT alert for King County.
The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance. A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan.
View source on WSDOT
Construction
Medium priority
Source: WSDOT Highway Alerts
Construction
520: WSDOT alert for King County.
Monday, Oct. 5, on most weeknights until Friday, Oct. 23 - The westbound SR 520 off-ramp to northbound I-5 and East Roanoke Street will close for construction nightly beginning at 10 p.m. until 6 a.m. The ramp will reopen at 6 a.m. each of the following mornings. During this time, all westbound SR 520 traffic that remains on westbound SR 520 past the Montlake and Lake Washington boulevard exits will detour to southbound I-5.
View source on WSDOT
Construction
Medium priority
Source: WSDOT Highway Alerts
Construction
090: WSDOT alert for King County.
Two left lanes on eastbound Interstate 90 from east of State Route 18/Snoqualmie Parkway to Southeast North Bend Way (milepost 26-27) will close from 6 a.m. Saturday, Oct. 17, to 9 p.m. Sunday, Oct. 18, for bridge work. Delays are likely through the work zone.
View source on WSDOT
Construction
Medium priority
Source: WSDOT Highway Alerts
Construction
005: WSDOT alert for King County.
The express lanes are northbound-only 24 hours a day through the end of 2026 due to lane reductions for construction on the northbound I-5 Ship Canal Bridge.
View source on WSDOT
Road alert
Medium priority
Source: WSDOT Highway Alerts
From 4 to 4:45 p.m. Friday, Oct. 23, both directions of State Route 164 from State Route 169/Porter Street/264th Avenue Southeast to First Street (milepost 14) will close for the E
164: WSDOT alert for King County.
From 4 to 4:45 p.m. Friday, Oct. 23, both directions of State Route 164 from State Route 169/Porter Street/264th Avenue Southeast to First Street (milepost 14) will close for the Enumclaw High School homecoming parade.
View source on WSDOT
Road alert
Medium priority
From 6 a.m. Saturday, Sept. 26 to 8 a.m. Monday, Sept. 28, two right lanes of eastbound Interstate 90 west of State Route 18 to west of Southeast North Bend Way (milepost 26) for m
090: WSDOT alert for King County.
From 6 a.m. Saturday, Sept. 26 to 8 a.m. Monday, Sept. 28, two right lanes of eastbound Interstate 90 west of State Route 18 to west of Southeast North Bend Way (milepost 26) for maintenance.
Construction
Medium priority
From 7 p.m. Tuesday, Sept. 22, until 4 a.m. Wednesday, Sept. 23, two lanes of southbound SR 167 will close between South 277th Street and South 212th Street for crack sealing. Dela
167: WSDOT alert for King County.
From 7 p.m. Tuesday, Sept. 22, until 4 a.m. Wednesday, Sept. 23, two lanes of southbound SR 167 will close between South 277th Street and South 212th Street for crack sealing. Delays are possible through the work zone.
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The left lane of southbound I-405 will close from 9 p.m. Thursday, Oct. 22, to 5 a.m. Friday, Oct. 23, near Northeast 160th Street (milepost 23-22) for maintenance.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The left lane of southbound I-405 will close from 11:59 p.m. Wednesday, Oct. 21, to 4:30 a.m. Thursday, Oct. 22, near Northeast 12th Street (milepost 14-13) for maintenance.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The left two lanes of southbound I-405 will close from 9 p.m. Wednesday, Oct. 21, to 5 a.m. Thursday, Oct. 22, near Northeast 40th Street (milepost 16-15) for maintenance.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The southbound I-405 on- and off-ramps at Northeast Sixth Street will close from 11:59 p.m. Wednesday, Oct. 21, to 4:30 a.m. Thursday, Oct. 22, for maintenance.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The southbound I-405 on- and off-ramps at Northeast 128th Street will close from 11:59 p.m. Tuesday, Oct. 20, to 4:30 a.m. Oct. 21, for maintenance.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The left two lanes of southbound I-405 will close from 9 p.m. Monday, Oct. 19, to 5 a.m. Tuesday, Oct. 20, near Northeast 160th Street (milepost 23-22) for maintenance.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
090: WSDOT alert for King County.
From 7 p.m. to 5 a.m. Sunday nights through Friday mornings from Sunday, Oct. 18, to Monday morning, Nov. 9, crews will close the Snoqualmie Parkway on-ramp to westbound I-90 and the eastbound I-90 off-ramp to westbound SR 18.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
090: WSDOT alert for King County.
Westbound I-90 is reduced to three lanes near the 17th Street Northwest on-ramp to the Lakemont Boulevard off-ramp, with traffic shifts to accommodate construction. The HOV lane is open to all drivers.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
002: WSDOT alert for King County.
Daily from 7 a.m. to 2:30 p.m. beginning Tuesday, Oct. 13 to 2:30 p.m. Wednesday, Oct. 14, US 2 traffic will alternate with flaggers at Sky Lane (milepost 49) for maintenance. This work may also need to occur on Tuesday, Oct. 20 and Wednesday, Oct. 21.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
005: WSDOT alert for King County.
Sound Transit crews will close the northbound I-5 off-ramp to Northeast 130th Street in Seattle from 10 p.m. Friday, Oct. 9, until 5 a.m. Monday, Oct. 19.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
099: WSDOT alert for King County.
The right lane of both directions of Tukwila International Boulevard will close beneath SR 99 from 10 a.m. to 3 p.m. daily Tuesday and Wednesday, Oct. 20-21, for maintenance.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
090: WSDOT alert for King County.
The right lane of the eastbound I-90 off-ramp to 150th Avenue Southeast will close from 9 p.m. to 5 a.m. nightly Monday, Oct. 19, through Friday morning, Oct. 23, for utility work.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
203: WSDOT alert for King County.
Northbound and southbound SR 203 will alternate from 8 a.m. to 3 p.m. daily Monday and Tuesday, Oct. 19-20, near 268th Avenue Northeast (milepost 11-12) for maintenance.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
900: WSDOT alert for King County.
Expect alternating traffic near the SR 900 intersection with May Valley Road (milepost 17-18) from 9 a.m. to 3 p.m. daily Monday, Oct. 19, through Thursday, Oct. 22, for utility work.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
002: WSDOT alert for King County.
Expect alternating eastbound and westbound US 2 traffic from 9 p.m. to 5 a.m. nightly Monday, Oct. 19, through Friday morning, Oct. 23, from Northeast 191st Street and the Skykomish city limits (mileposts 42-49) for utility work.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
410: WSDOT alert for King County.
Eastbound and westbound SR 410 will alternate from 8 a.m. to 4 p.m. daily between the Scatter Creek Bridge and Twin Creek Bridge (milepost 31-38) for utility work.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
002: WSDOT alert for King County.
Eastbound and westbound US 2 will alternate from 8 a.m. to 3 p.m. nightly Wednesday, Oct. 21, through Friday morning, Oct. 23, near the Skykomish city limits (milepost 49) for guardrail repair.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
090: WSDOT alert for King County.
The left two lanes of eastbound I-90 will close from 6 a.m. to 9 p.m. Saturday, Oct. 17, between SR 18 and Southeast North Bend Way (milepost 26-27) for maintenance.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
203: WSDOT alert for King County.
Northbound and southbound SR 203 will alternate over the Tolt River Bridge from noon to 5 p.m. Wednesday, Oct. 21, for inspection.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The left two lanes of northbound I-405 will close from 9 p.m. Thursday, Oct. 22, to 5 a.m. Friday, Oct. 23, near Northeast 116th Street (milepost 20-19) for maintenance.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
405: WSDOT alert for King County.
The left two lanes of southbound I-405 will close from 9 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, near Northeast 160th Street (milepost 23-22) for maintenance.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
405: WSDOT alert for King County.
Crews will intermittently close a mile of the tolled lanes on southbound I-405 between Lynnwood and Bellevue from 9 p.m. to 5 a.m. nightly this week and next week for toll equipment maintenance work.
The work will start Thursday, Oct. 15 near I-5 in Lynnwood. It will pause over the weekend and pick up again in Bothell on the evening of Monday, Oct. 19. Crews will proceed south each night until reaching the end of the tolled lanes in Bellevue on the morning of Thursday, Oct. 22.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
002: WSDOT alert for King County.
Eastbound and westbound US 2 will alternate from 9 p.m. to 5 a.m. nightly Monday, Oct. 12, through Friday morning, Oct. 16, east of Money Creek Campground (milepost 47-48) for utility work.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
018: WSDOT alert for King County.
The right lane of westbound SR 18 will close from 7 p.m. to 5 a.m. nightly Monday, Oct. 12, through Sunday morning, Oct. 18, from 99th Street through the diverging diamond interchange for utility work.
View source on WSDOT
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
410: WSDOT alert for King County.
Daily (except Friday, Saturday, Sunday) from 8 a.m. to 4 p.m. beginning Wednesday, Sept. 9 until further notice: State Route 410 traffic will alternate with flaggers in multiple locations from the Scatter Creek Bridge (milepost 31) to Twin Creek Bridge (milepost 38) for utilities work.
View source on WSDOT
Construction
Low priority
Source: WSDOT Highway Alerts
Construction
203: WSDOT alert for King County.
From 7 p.m. to 6 a.m. Sunday nights through Friday mornings crews will alternate traffic with flaggers and pilot cars in sections between a nearly 11-mile stretch of SR 203, just south of Duvall to the Monroe city limits (mileposts 12.53 to 23.20).
View source on WSDOT
