PERMITS: Wyoming oversize permits are obtained from Ports of Entry by the driver (see phone list at bottom of this page). Driver must call ahead to the Port/Scale at least one hour prior to arrival and obtain a clearance number. Failure to do this will result in up to a $500 fine and 24-hour shutdown. The permit is usually valid for one day or one trip.
OPERATING TIME: One-half hour before sunrise to one-half hour after sunset, including weekends, plus loads not exceeding 10′ wide, and all other dimensions are legal, may travel at night on Interstate highways only with proper lighting.
|Weight: (All highway)|
|Length:||60′ – Single unit, or semi-trailer in a truck tractor, semi-trailer combination.|
81′ – semi-trailer, trailer, or double semi-trailer combined in length in a truck-tractor and semi-trailer, trailer, or double semi-trailer combination including the connecting mechanism.
48′ – semi-trailer
40′ – trailer or second semi-trailer
(For consecutive towed vehicles, if the weight difference between the vehicles is over 5,000 pounds, the heavier towed vehicle must be directly behind the truck-tractor and the light towed vehicle must be last)
85′ – Any combination of vehicles other than those listed above.
Combinations that are listed above cannot consist of more than 3 single vehicles.
97′ – For saddle mount combinations that consist of more than 3 saddle mount. Additional vehicles can be transported when it is placed safely on the frame of a vehicle in a properly assembled saddle mount combination.
Divisible Loads Exceeding 80,000: You can exceed 80,000 gross without a permit on state and Interstate highways as long as you are legal on all axle weights and bridge and you are licensed for at least the amount of your gross weight.
|Weight: (Gross weight is 80,000 lbs)|
Register for up to 117,000 pounds to permit for that much or more
Loads in excess of these dimensions are considered as superloads.
|Width over 14′ or more||Over 14′ or more – Needs 2 escorts (Front & Rear)|
|When any portion of the vehicle extends to the left of the highway centerline||2 (Front & Rear)|
|Height escorts determined by WY highway patrol (permittee held responsible for clearances)|
On Interstate (4 or More Lanes):
|Width||15’ or more|
(additional escorts may be required by the WY Highway Patrol for extreme width)
|Length or Height||Escorts determined at the discretion of WY Highway Patrol|
|Weight||Gross weight is 117,000 lbs.|
All oversize loads/vehicles must display Oversize Load on both front and rear. Flags are to be placed on projections extending beyond sides of the trailer. Over 4′ of rear overhang must be flagged (daytime) or lighted at night. Night running, if allowed, requires an amber clearance light on each front corner and red clearance light on each rear corner of the load and a revolving amber light, amber strobe, or two-way flashing amber lights at least 4″ in diameter mounted on the vehicle visible to both front and rear.
Holiday travel is usually allowed for loads not requiring escorts, but Ports of Entry are not open, so check with the Port on pre-ordering permit if you wish to run on the holiday. Permit issuing authorities may restrict movements to the daylight hours of minimum traffic volume; such hours may be stipulated as a condition of the move.
Travel can be restricted at times due to inclement weather.
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