Department of Transportation
WSDOT
Washington • United States of America
The Washington State Department of Transportation (WSDOT) manages over 7,000 centerline miles of state highways serving the nation's gateway to Pacific Rim trade. Key freight corridors include I-5, I-90, I-82, US-2, and SR-14. The Ports of Seattle and Tacoma, together forming the nation's fourth largest port complex, drive massive container freight movements that WSDOT's highway network must accommodate. The department administers commercial vehicle permits, manages critical mountain pass conditions on I-90 (Snoqualmie Pass) and US-2 (Stevens Pass), and operates the WSDOT app and 511WA for real-time freight-relevant road information. WSDOT also manages the largest state-owned ferry system in the US.
| Official Website | https://wsdot.wa.gov/ |
|---|---|
| Data API | https://wsdot.wa.gov/traffic/api/ |
| Founded | 1905 |
| Headquarters | Seattle |
Available Data
Social Media
- @wsdot — Washington State DOT
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