Permits: Commercial vehicles

Trip permits

A Washington commercial vehicle trip permit authorizes you to operate a single commercial vehicle at the maximum weight limit for 3 consecutive days. No more than 3 permits may be used for any 1 vehicle within a 30-day period.

Trip permits cost $25 each, and may be purchased at:

• Authorized vehicle licensing agents (some offices charge an additional service fee)
• Department of Transportation permitting offices

Fuel Permits

You must purchase a special fuel permit when entering Washington if you:

• Don’t pay fuel tax under the International Fuel Tax Agreement (IFTA).
• and
• Plan to operate a diesel or propane-powered commercial vehicle that has:
  • 2 axles and a gross vehicle weight (GVW) over 26,000 pounds
  • 3 or more axles regardless of weight.
  • A combination of vehicles with a combined GVW over 26,000 pounds.

Fuel permits are good for 3 consecutive days, and cost $30 each. You may buy fuel permits at:

• Authorized vehicle licensing agents (some offices charge an additional service fee)
• Department of Transportation permitting offices

Oversize or Overweight Permits

To purchase Oversize or Overweight Permits:

• Write to:
  
  Department of Transportation
  PO Box 47367
  7345 Linderson Way
  Olympia WA 98504-7367
• or
• Call: 360-704-6340.