Studded tires need to be removed from vehicles in Oregon and Washington no later than Sunday Given the current weather forecast, both the Oregon and Washington Departments of Transportation do not plan to extend the studded tire season.

ODOT and WDOT encourage motorists not to wait until the deadline to remove their studded tires if they aren’t driving in snow or icy conditions between now and then.

The two state departments of transportation are coordinating studded tire season closing dates to make travel rules consistent.

The departments encourage drivers to consider other types of traction tires or chains instead of studs. A study completed in 2000 concluded studded tires cause at least $40 million damage each year on city streets, county roads and state highways. Other types of traction tires are available. These traction tires meet Rubber Manufacturers Association standards for use in severe snow conditions and carry a special symbol on the tire sidewall showing a three-peaked mountain and snowflake. Research shows these tires provide better traction than studded tires when used on bare pavement.

If you must travel when weather conditions present difficulties, use other types of traction tires or chains, or postpone your trip until conditions change for the better. Visit or call 511 for the latest road conditions.

ODOT provides bad-weather driving tips and how-to videos online at 

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