Current Route 99 Washington Traffic Conditions
DOT Accident and Construction Reports
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TYPE: Construction Serious
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TYPE: Construction Serious
Route 99 WA News Reports
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Multi-million dollar Highway 99 overhaul could span years, impact small businesses
- Washington
- Hwy 99
- source: Bing
- 22 views
- Feb 02, 2026 6:41pm
A $660 million improvement project could affect thousands along a 6.6-mile stretch in Snohomish County, with construction lasting several years. Read More
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Highway 99 tunnel in Seattle reopens after car fire
- Washington
- Hwy-99
- source: Bing
- 13 views
- Jan 23, 2026 09:19am
The Highway 99 tunnel in Seattle reopened late Thursday after a car fire shut down both directions earlier. Read More
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Highway 99 tunnel in Seattle reopens after vehicle fire
- Washington
- Hwy-99
- source: Bing
- 14 views
- Jan 22, 2026 6:42pm
Seattle firefighters responded to a car fire Thursday evening in the northbound lanes of the Highway 99 tunnel. Read More
More results in our Route 99 Washington Archives

Three lanes of eastbound I-90 will close between I-405 to 142nd Place Southeast from 10 p.
36° F