Commercial vehicles
Taxpayer Access Point (TAP)
File, pay, and manage your IFTA, IRP, Fuel Tax, and Fuel Tax Refund Permit accounts.
DOT numbers
Find out if you need a U.S. Department of Transportation (USDOT) number to operate your commercial vehicle, and how to get one.
IRP (Prorate)
Learn the easy way to license commercial vehicles that operate in more than one state.
Permits
Get information about commercial trip permits and oversize/overweight permits.
Fleets
Learn how to set up a fleet account, get permits, and meet federal requirements for commercial vehicles that operate within Washington State.