Route & commercial vehicle restrictions
Restrictions and requirements for oversize and overweight commercial vehicles operating on Washington state roadways. Commercial vehicle drivers are responsible for verifying route restrictions, overhead height clearances, and other requirements.
Sign up for email or text updates. Freight alerts in the subscription topics news will have new commercial vehicle:
- Oversize restrictions
- Night closures
- Lane closures
Bridge clearance
Check for restrictions and overhead clearance on your route.
Traction tires are a special type of tire
manufactured with at least 1/8 of an inch tread. Traction tires are usually marked with a mountain/snowflake symbol, the letters M+S or “All Season.”
Carry chains, practice before leaving
Requiring chains keeps traffic moving during storms rather than closing a pass or roadway.
Prep your car. Fill up your gas tank,
pack jumper cables, ice scraper, warm clothing, snacks and water.