Beat it. I lived there for years idiot. Plenty of snow and ice also needed chains quite a few times. They use chloride pre treat just like here as well.

https://wsdot.wa.gov/travel/operations-services/snow-and-ice-plan

https://infogram.com/road-salt-use-by-state-1h8n6m1971nm6xo

Edit: Cute you get called out for lying and downvote the truth and delete your post. What a clown. Oh not deleted just blocked me. Even more stupid.