DOT numbers

Important information

  • Vehicle and vessel licensing offices can’t perform transactions on Saturday, December 10.
  • Vehicle and vessel online services won’t be available December 7-12 while we update our system.
  • On December 12, 2016, we’ll begin using a new vehicle and vessel computer system.
  • In the days following the launch of our new system, you may experience longer than usual wait times.

Learn more: DOL vehicle licensing system will be down on December 10 for system replacement (licensingexpress.wordpress.com).

Intrastate commercial vehicles

If you operate a commercial vehicle within Washington State, you may need a U.S. Department of Transportation (USDOT) number. Find out if you need one and how to get it.

Interstate commercial vehicles

If you operate a commercial vehicle across state lines, you must have a U.S. Department of Transportation number. Find out how to get one.

Related information

Washington Healthcare Finder
Good To Go!
Access Washington – official state government website