Traffic incidents and road conditions on I-405 in Washington

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Road Alerts

Construction

Monday, May 20 to Friday, May 24: The left express toll lane and shoulder of northbound I-405 from milepost 24.1 to milepost 27.1 will be closed nightly from 8 p.m. – 4:30 a.m.

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ID: 597323

Construction

Up to three lanes of southbound I-405 from I-90 (milepost 11.12) to the 112th Avenue Southeast offramp (milepost 10) will be closed nightly, 10:30 p.m. Sunday, May 19 – 5 a.m. Friday, May 24.

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ID: 597333

Construction

Monday, May 20 to Friday, May 24: The right collector distributor lane between Northeast 160th Street and SR 522 from the Northeast 160th on-ramp and northbound I-405 off-ramps to eastbound/westbound SR 522 will be closed nightly from 11 p.m. – 5 a.m. The Northeast 160th Street on-ramp to northbound I-405 and SR 522 will be closed.

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ID: 597324

Construction

Monday, May 20 to Wednesday, May 22: The Northeast 160th Street to northbound I-405 on-ramp from milepost 19.3 to milepost 23 will be closed nightly from 12 a.m. – 5 a.m.

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ID: 597325

Construction

Up to two lanes of northbound I-405 from SR 167 (milepost 2.20) to Sunset Boulevard Northeast (milepost 5.5) will be closed nightly, 9 p.m. Monday, May 20 – 4:30 a.m. Friday, May 24.

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ID: 597339

Construction

Up to three lanes of northbound I-405 from the northbound I-5 exit ramp (milepost 0.48) to the SR 169 off-ramp (milepost 4.5) will be closed nightly, 11:30 p.m. Monday, May 20 – 4 a.m. Friday, May 24.

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ID: 597340

Construction

Tuesday, May 21 to Wednesday, May 22: The right general-purpose lane and shoulder of northbound I-405 from milepost 21.43 to milepost 24.5 will be closed nightly from 8 p.m. – 5 a.m.

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ID: 597444

Construction

The southbound I-405 on-ramp from Southeast Eighth Street will be closed overnight, 9 p.m. Monday, May 20 – 10:29 p.m. Monday, May 20. A signed detour will be in place.

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ID: 597343

Construction

The northbound I-405 on-ramp from SR 167 will be closed nightly, 11:30 p.m. Monday, May 20 – 4 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597347

Construction

The northbound I-405 on-ramp from northbound SR 167 will be closed nightly, 9 p.m. Monday, May 20 – 11:30 p.m. Thursday, May 23. A signed detour will be in place.

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ID: 597344

Construction

The southbound I-405 on- and off-ramps from Coal Creek Parkway will be closed nightly, 10:30 p.m. Sunday, May 19 – 5 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597334

Construction

The northbound I-405 off-ramp to SR 169 will be closed nightly, 11 p.m. Monday, May 20 – 4:30 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597349

Construction

The northbound I-405 on-ramp from SR 181/Interurban Avenue (Exit 1) will be closed nightly, 9 p.m. Monday, May 20 – 4:45 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597346

Construction

The northbound I-405 off-ramp to Southeast Eighth Street will be closed nightly, 9 p.m. Tuesday, May 21 – 5 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597434

Construction

The northbound I-405 off-ramp to Northeast 30th Street will be closed nightly, 9 p.m. Tuesday, May 21 – 5 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597429

Maintenance

On I-405 southbound just south of I-5 (MP 29) there is a slow-moving maintenance operation affecting the right lane.

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ID: 597418

Construction

The southbound I-405 HOV on-ramp from Northeast Sixth Street will be closed nightly, 9 p.m. Tuesday, May 21 – 5 a.m. Thursday, May 23. A signed detour will be in place.

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ID: 597427

Construction

Monday, May 20 to the morning of Friday, May 24: All lanes of the southbound I-405 off-ramp to Northeast 85th Street will be closed nightly, from 10:00 p.m. – 4:00 a.m.

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ID: 597315

Construction

The northbound I-405 on-ramp from Tukwila Parkway will be closed nightly, 10 p.m. Monday, May 20 – 5 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597345

Construction

The northbound I-405 on-ramp from Talbot Road South will be closed nightly, 9 p.m. Monday, May 20 – 4:30 a.m. Friday, May 24. A signed detour will be in place.

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ID: 597348

Construction

Monday, May 20 to the morning of Friday, May 24: All lanes of the northbound on-ramp from Northeast 85th Street to I-405 will be closed from 11:00 p.m. – 5:00 a.m.

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ID: 597316

Construction

Up to two lanes of southbound I-405 from Northeast Sixth Street (milepost 13.25) to Southeast eighth Street (milepost 12.4) will be closed nightly, 9 p.m. Tuesday, May 21 – 5 a.m. Thursday, May 23.

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ID: 597426

Construction

Up to three lanes of northbound I-405 from I-90 (milepost 11.75) to Southeast Eighth Street (milepost 13) will be closed nightly, 9 p.m. Monday, May 20 – 4:30 a.m. Friday, May 24.

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ID: 597342

Construction

Tuesday, May 21 to Wednesday, May 22: The right general-purpose lane and shoulder of northbound I-405 from milepost 21.43 to milepost 24.5 will be closed nightly from 8 p.m. – 5 a.m.

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ID: 597445

Construction

Up to three lanes of southbound I-405 from SR 900 (milepost 3.15) to the Southport to Talbot Road on and off-ramps (milepost 5.26) will be closed nightly, 10:30 p.m. Monday, May 20 – 5:15 a.m. Friday, May 24.

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ID: 597338

I-405 Major Junctions (8)

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