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

• 11 hours ago

  wsdot_traffic

  On I-405 southbound at Coal Creek Pkwy (MP 10) there is a collision blocking the right lane.

• 11 hours ago

  wsdot_traffic

  On the I-405 southbound off-ramp to Coal Creek Pkwy (MP 10) there is a collision partially blocking the ramp.

• 11 hours ago

  wsdot_traffic

  Update 8:28 PM : On I-405 northbound at SR 167 (MP 2) there is a collision blocking the right lane.

• 12 hours ago

  wsdot_traffic

  On the I-405 northbound HOV on-ramp from SR 167 northbound (MP 3) there is a disabled vehicle blocking the ramp.

• 16 hours ago

  wsdot_traffic

  On I-405 southbound just south of SE 8th St (MP 12) there is a disabled vehicle blocking the left lane.

• 17 hours ago

  wsdot_traffic

  Update 3:04 PM : On I-405 northbound just north of SR 520 (MP 16) there is a disabled vehicle blocking the left toll lane.

• 21 hours ago

  wsdot_traffic

  On I-405 northbound just north of I-90 (MP 12) there is a collision blocking the left lane.

• 22 hours ago

  wsdot_traffic

  Cleared 9:59 AM : On I-405 northbound at SR 169 (MP 4) there is a collision blocking the right lane.

• 22 hours ago

  wsdot_traffic

  UPDATE: The Peak Use Shoulder Lane (aka PUSL) is now open on NB I-405 at SR 527 (MP 27) in Bothell. @CityofBothell Maintenance work continues until 2:30 pm. Expect delays. https://t.co/KTqGFNibs5 https://t.co/uWRgx0LElb

• 23 hours ago

  wsdot_traffic

  On I-405 southbound just north of SR 520 (MP 16) there is a collision blocking both toll lanes.

I-405 WA News Reports

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

  • Washington
  • I-405 Northbound

  • source: Bing
  • 5 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
  • 35 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
  • 49 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