I-405 Traffic in Washington

• 405 Seattle Traffic
• 405 Bothell Traffic
• Other Cities Along I-405
• I-405 Washington Accident Reports (7)
• I-405 Washington Weather Conditions (7)

DOT Accident and Construction Reports

• Three lanes of eastbound I-90 will close between I-405 to 142nd Place Southeast from 10 p.

  TYPE: Construction Serious

• The westbound I-90 HOV lane will close between I-405 and 142nd Place Southeast for up to t

  TYPE: Construction Serious

• N 46th St Road is closed from Meridian Ave N to Burke Ave N.

  Road Closed

  TYPE: Construction Serious

• N 46th St Road is closed from Burke Ave N to Meridian Ave N.

  Road Closed

  TYPE: Construction Serious

• Permanent closure of 10th Ave S

  Road Closed

  TYPE: Miscellaneous Serious

• Permanent closure of S Sullivan St

  Road Closed

  TYPE: Miscellaneous Serious

• Permanent closure of S Thistle St

  Road Closed

  TYPE: Miscellaneous Serious

I-405 WA News Reports

• I-90 closed on Snoqualmie, no scheduled time for reopening

  • Washington
  • Snoqualmie
  • I-90

  • source: Bing
  • 7 views
  • Jan 07, 2026 00:12am
  90

  Update: 6:30 p.m. Eastbound I-90 has been reopened. However, the I-90 off-ramp on southbound Interstate 405 is partially closed, according to WSDOT. The Incident Response Team is on scene. MOSES LAKE ... Read More

• Mudslide on SR-169 near I-405 closes WB lane in Renton

  • Washington
  • Sr 16 Westbound

  • source: Bing
  • 6 views
  • Jan 05, 2026 4:51pm
  Almost three weeks following heavy rain and flooding, a second mudslide along the Maple Valley Highway, or SR-169, in Renton has caused a closure of the westbound / northbound lane of the highway. Read More

• Flash Flood Warning: Levee Failure Triggers Immediate Evacuations in King County

  • Washington
  • I-405

  • source: Bing
  • 17 views
  • Dec 15, 2025 3:18pm
  405

  The Desimone Levee failure near Seattle's Green River prompted urgent evacuations following rounds of heavy rain. Read More

• Washington flash flood warning map: Alert issued for Tukwila in King County due to Green River levee failure

  • Washington
  • Renton
  • I-405

  • source: Bing
  • 17 views
  • Dec 15, 2025 1:08pm
  405

  A Flash Flood Warning was issued for parts of King County, Washington, after the Green River levee failed near Tukwila, prompting evacuation orders and life-threatening flooding concerns. The alert ... Read More

• Washington's Green River levee fails, 'life-threatening' flash flooding possible

  • Washington
  • Renton
  • I-405

  • source: Bing
  • 17 views
  • Dec 15, 2025 12:29pm
  405

  TUKWILA, Wash. - A Flash Flood Warning is in effect for a dam break on the Green River near Tukwila, which is causing the potential for "life-threatening flash flooding." The National Weather Service ... Read More

• WA road closures: Highway 167 still closed, delays on I-5 and I-405

  • Washington
  • Highway

  • source: Bing
  • 5 views
  • Dec 16, 2025 07:17am
  Onramps and stretches of several highways that closed earlier this week and late last week still hadn't reopened Tuesday as floodwaters continued to threaten low-lying areas. Read More