I-405 Traffic in Washington

• 405 Seattle Traffic
• 405 Bothell Traffic
• Other Cities Along I-405
• I-405 Washington Accident Reports
• I-405 Washington Weather Conditions

Live Reports from the DOT's Twitter

• 4 hours ago

  wsdot_traffic

  Update 6:39 PM : On I-405 southbound just north of I-90 (MP 12) there is a collision blocking the left lane.

• 9 hours ago

  wsdot_traffic

  CLEARED: The collision on I-405 SB in Renton has now been cleared. All lanes are back open. https://t.co/jZnYutrP9D

• 9 hours ago

  wsdot_traffic

  UPDATE: The left general purpose lane is back open, but the HOV lane remains blocked due to the collision on I-405 SB at NE 44th St (MP 8) in Renton. https://t.co/yT9AEZcnjE https://t.co/D3YFKt5Fpn

• 10 hours ago

  wsdot_traffic

  UPDATE: Emergency crews have arrived on the scene of the collision that is blocking the HOV lane and the left general purpose lane of I-405 SB at NE 44th St (MP 8) in Renon. Backups are currently 3+ miles. Expect delays in that area. https://t.co/RniUm0cp1c https://t.co/F0Zbkuj3gN

• 10 hours ago

  wsdot_traffic

  CLEARED: The collision that blocked three lanes of I-405 SB in Kirkland has now been cleared. All lanes are back open. https://t.co/0ZWtR739rH

• 10 hours ago

  wsdot_traffic

  On I-405 southbound at NE 44th St (MP 8) there is a collision blocking the HOV lane and the left general purpose lane.

• 10 hours ago

  wsdot_traffic

  UPDATE: On I-405 SB near SR 520 (MP 16) in Kirkland, three right lanes continue to be blocked due to a collision. Emergency crews, incident response, and State Patrol are on the scene. Expect delays in that area. https://t.co/VJ11k0dhNI https://t.co/dhCaHmerf6

• 11 hours ago

  wsdot_traffic

  Update 12:26 PM : On I-405 southbound just north of SR 520 (MP 16) there is a collision blocking the 3 right lanes.

• 11 hours ago

  wsdot_traffic

  On I-405 northbound just south of NE 30th St (MP 7) there is a collision blocking the center lane.

• 11 hours ago

  wsdot_traffic

  On I-405 northbound just south of 112th Ave SE (MP 7) there is a disabled vehicle blocking the HOV lane.

I-405 WA News Reports

• I-405 road work in Bellevue, Kirkland this weekend with lane, ramp closures

  • Washington
  • I-405 Northbound

  • source: Bing
  • 6 views
  • Mar 18, 2026 1:00pm
  405

  Interstate 405 lanes will be reduced in Bellevue, and a ramp will be closed in Kirkland this weekend, starting Friday night through early Monday morning, March ... Read More

• Northbound I-405 reopens early in Bothell

  • Washington
  • Sr 513 Northbound

  • source: Bing
  • 36 views
  • Mar 15, 2026 10:40pm
  The Washington State Department of Transportation shared some good news for drivers on Sunday afternoon: Southbound I-405 reopened early traffic in Bothell. Read More

• Northbound and southbound I-405 closures in Bothell, March 13-16

  • Washington
  • Sr 527 Southbound

  • source: Bing
  • 33 views
  • Mar 11, 2026 11:01pm
  People should prepare for closures on both directions of Interstate 405 in Bothell from Friday, March 13 to Monday, March 16, the Washington State Department of Transportation said in a ['] ... Read More

• Microsoft's return-to-office policy creates a return to slower commutes, traffic analysis shows

  • Washington
  • Sr 520 Eastbound

  • source: Bing
  • 23 views
  • Mar 10, 2026 11:13am
  Inrix measured travel speeds on eastbound and westbound SR 520 and southbound and northbound I-405 during the weeks of Feb. Read More

• I-405 in Bothell will close in both directions for two weekends

  • Washington
  • Sr 527 Southbound

  • source: Bing
  • 3 views
  • Mar 07, 2026 4:00pm
  Add Yahoo as a preferred source to see more of our stories on Google. A heads up for those who regularly drive I-405. Both directions of the highway in Bothell will fully close during the first two ... Read More

• WSDOT plans two weekend shutdowns of I-405 in Bothell to remove SR 522 ramps

  • Washington
  • I-405

  • source: Bing
  • 27 views
  • Mar 07, 2026 05:53am
  405

  Drivers in the Bothell area should plan for major traffic disruptions in early March as crews prepare to remove remaining ramps over State Route 522.Both direct ... Read More

• I-405 in Bothell will close in both directions for two weekends

  • Washington
  • Sr 527 Southbound

  • source: Bing
  • 3 views
  • Mar 06, 2026 5:47pm
  A heads up for those who regularly drive I-405. Both directions of the highway in Bothell will fully close during the first two weekends of March. Read More

• Both directions of I-405 in Bothell to close two March weekends for ramp removal

  • Washington
  • Bothell
  • I-405

  • source: Bing
  • 48 views
  • Mar 06, 2026 10:12am
  405

  Drivers in the Bothell area should plan for major traffic disruptions in early March as crews prepare to remove remaining ramps over State Route 522.Both direct ... Read More

• I-405 in Bothell will close in both directions for two weekends

  • Washington
  • Sr 525 Southbound

  • source: Bing
  • 40 views
  • Mar 04, 2026 1:13pm
  A heads up for those who regularly drive I-405. Both directions of the highway in Bothell will fully close during the first two weekends of March. Read More

• Hundreds of cars rally on Seattle-area freeways in support of US strikes on Iran

  • Washington
  • I-405

  • source: Bing
  • 50 views
  • Mar 01, 2026 06:47am
  405

  More than 300 cars waving Iranian, Israeli and American flags caravanned along Interstate 5 and Interstate 405 Saturday afternoon. Read More

• Expect regional travel impacts along I-405 corridor this weekend

  • Washington
  • I-405

  • source: Bing
  • 69 views
  • Feb 26, 2026 6:41pm
  405

  A series of overlapping construction projects across the Puget Sound region will make travel more challenging this weekend, particularly along the Interstate 405 corridor in Bothell and Renton, the ... Read More