Policies

Find information on agency rule making, our privacy policy and other agency policies. 

Agency rules are known as Washington Administrative Code (WAC) and each state agency adopts rules to implement state and federal law.

Learn more about our terms of service for text messaging, how to stop and start the service and who to contact for help. 

See our guidelines on establishing a link from WSDOT to an external site and how we monitor and remove links to external content where necessary. 

See our policy on our ferries' Save A Spot reservations program website and how you may and may not use the site. 

See the details of our open data policy and plan. 

Comments made on our social media platforms and blog are reviewed and screened in accordance with our comment policy. Read more on what we do and don't allow.

Read our disclaimer before making use of any travel information on this website. 

View our web privacy notice.

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.