Federal & State Regulations | Oversize and overweight movements - Wyoming

General requirements

Reducible expectations	Permits shall not be issued for vehicles or loads which can reasonably be reduced, dismantled, or divided to meet the statutory size and weight requirements.
Permit timing	Drivers may call a port-of-entry where load will enter the state, the same day it will enter, to obtain permission for loads not exceeding certain limits. Trip permits are issued for a reasonable amount of time to complete the movement, but not to exceed four days.
Method of application	Permit issuing authorities authorized to issue permits for movements of non-divisible oversize and/or overweight vehicles and loads include: Wyoming Department of Transportation, Ports of Entry and Highway Shops; Wyoming Troopers; and Overweight loads personnel.
Payments accepted	NS
Electronic permits	Once a permit is issued, it must be carried with the vehicle or vehicle combination to which it refers. All permits must be open for inspection by the Department or any authorized agent of the State of Wyoming.
Route surveys	The Department reserves the right to specify routes to be used and times and methods of operations.

Insurance requirements

Liability	There are no special requirements.
Coverage

Available permits and fees

Overdimension
Permit Period	Conditions	Fee
Single trip	Oversize - Class A, B, and C	$25
Single trip	Class A, B, and C Permits - Per foot (or fraction of - $40 minimum): • Width: 15' • Height: 15' • Length 75'	$0.06
Annual	Class D permit up to: • Width: 12' • Height: 15' • Length 75'	$50
Single trip	Class E - Forest products, baled hay or combine headers	$15
90-day	Class E - Forest products, baled hay or combine headers	50
Overweight
Permit Period	Conditions	Fee
Variable	Overweight -Fee per ton per mile over legal - minimum fee $40	$0.06
Single trip	Class F - Forest products, sugar beets, gravel, livestock and agricultural products	$15
90-day		50

Permit limitations

Permit limitations
Configuration	Limitations
Class A	Authorize separate movements of non-divisible loads that exceed the Class B/C limits listed below. They are issued by the permit issuing authorities and are subject to prior approval by the Overweight Loads Office.
Class B	Authorize separate movements of non-divisible loads that do not exceed: • Width: 18' • Height: 17' • Vehicle combination: 110' • Single axle: 25,000 lbs • Tandem: 55,000 lbs • Tridem: 65,000 lbs • GVW: 150,000 lbs • Single axle for construction equipment with large tires: 55,000 lbs
Class C	Self-issuing permits that authorize separate movements of non-divisible loads that do not exceed : • Width: 18' • Height: 17' • Vehicle combination: 110' • Single axle: 25,000 lbs • Tandem: 55,000 lbs • Tridem: 65,000 lbs • GVW: 150,000 lbs • Single axle for construction equipment • Permit holder is required to complete a separate Class C permit prior to each separate movement
Class D	Extended period permits authorizing multiple movements of vehicles without loads, or with a non-divisible load, or vehicle that does not exceed: • Width: 12' • Height: 15' • Single vehicle: 75' • Vehicle combination: 110' • Single axle: 25,000 lbs • Tandem: 55,000 lbs • Tridem: 65,000 lbs • GVW: 150,000 lbs • Single axle for construction equipment with large tires: 55,000 lbs • Class D permits are not authorized for transportable homes
Class E: Baled hay or combine headers	Oversize permits for separate movements or extended periods of movement: • Width: 12' 6" • Height: 15'
Class E: Forest products	Width: 9' 4"
Class F	Forest products, sugar beets, gravel, livestock and agricultural products For trucks that cannot be weighed at point of loading traveling off of the interstate. Vehicle will be allowed to unload at its point of destination in Wyoming if within 1 mile of the truck's location when the illegal weight limitation was determined: • Axle allowance: 10% • GVW allowance: Up to 5,000 lbs in excess of gross weights allowed under gross weight Table I
Class W	For multi-piece loads exceeding 117,000 lbs on primary and secondary highways only. Vehicles must meet the axle and bridge formula specifications. Permit conditions and fees vary according to weight and distance traveled.

Signs

General sign requirement	Must be fully visible from the front and rear and not cover the vehicle’s lights, reflectors, or license plates.
Escort sign requirement	Mounted in such a way that they are visible to approaching traffic. When the Department Bridge Program designates a bridge as Reduced Speed, a warning sign that reads “CAUTION-This vehicle must slow down to 5 mph to cross bridges” is required on rear.
	Type	Size	Lettering	Background
General signs	OVERSIZE LOAD	5' x 10"	Black, 8" with 1" brushstroke	Yellow
Escort signs	OVERSIZE LOAD	5' x 10"	Black, 8" with 1" brushstroke	Yellow

Lights

General light requirements	All oversize vehicles must have headlights and taillights illuminated and visible during movement. Night operation requires additional lighting.
Escort light requirements	Warning lighting is required.
	Type	Placement
General light type and placement	Red and amber	Lights need to be clearly visible at least 1,000' from the front and rear of the vehicle. Overlength loads after daylight hours: A red lamp and red reflector at each corner of the load. Overwidth travel after daylight: • Requires an amber clearance light on each front corner, and a • Red clearance light on each rear corner of the load or vehicle, whichever is wider, as well as on any extremity or projection. • Also must display a revolving amber light, amber strobe light, or 2 two-way flashing amber lights at least 4" in diameter on the vehicle.
Escort light type and placement	4" amber light, amber strobe light, or two two-way flashing amber lights ( LED assemblies meeting the visibility requirements are allowed)	Mounted on the roof clearly visible for at least 1,000' from the front and rear of the vehicle.

Flags

	Type	Size	Placement
General Flags	Red or fluorescent orange	12" square	Must be placed at the 4 corners and extremities of the vehicle and/or load, fastened to mark any extremity that is wider than the front or rear of the vehicle and/or load, and mark rear overhang (one flag if overhang width is 2' or less, 2 flags if over 2'.
Escort Flags	Red or fluorescent orange	12" square	Mounted on a staff on each side of the OVERSIZE LOAD sign.

Escort vehicle markings

Size	Placement	Content
NS	NS	NS

Escort/Flagperson requirements

Escort requirements are as follows:

Vehicle Condition	Escort Requirement
Width	Two escorts, one front and one rear, shall be required on two-lane primary and secondary routes when any portion of the vehicle or load extends to the left of the highway centerline or the movement is 14 feet wide or greater. One escort to the rear shall be required on Interstate and divided highways and four-lane roadways with a left-turn center lane when the movement is 15 feet wide or greater. The Wyoming Highway Patrol may require additional escorts depending on load width.
Length	On two-lane primary and secondary routes, escorts shall be required for movements at a minimum of 110 feet in overall length or for moves that extend to the left of the centerline at any time during the move. On interstate and divided highways, escorts for length shall be required for movements 150 feet or longer in overall length or at the discretion of the Overweight Loads Office.
Combined width and length	Visit the Wyoming Highway Patrol website at www.whp.dot.state.wy.us for more details (in most instances, one rear escort required).
Rear Overhang	One escort to the rear shall be required on all highways for rear overhangs of 25 feet or more. If the equipment has a permanent bumper on it, measurements begin at the rear of the bumper. If there is no permanent bumper on it, measurements begin at the rear of the last tire at the back of the equipment.
Height	On all highways, any move exceeding 17 feet shall require an escort to the front with a height-measuring device. An escort for heights 17 feet or less shall be at the discretion of the permit-issuing authorities.
Overweight	Any overweight move with special restrictions imposed by the Department's Bridge Program shall require a rear escort on all highways. Additional escorts may be required depending on the load restrictions.

Escorts must maintain a distance of approximately 1,000 feet from the oversize load, unless a shorter distance is necessary to provide control over the move.

When moves are confined to four-lane divided highways, and a segment of one lane is closed for repairs and the other lane is being used for two-way traffic, additional escorts may be required if a special hazard exists or the movement cannot be kept to the right of the centerline.

Moves requiring escorts and using the Interstate highways and intervening two-lane highways shall need one escort for the Interstate and two for the two-lane highways.

Convoys

Two oversize loads (each requiring an escort) may travel together on a two-lane highway at a distance of 1,000 feet apart, one front and one behind, as long as neither load exceeds 16 feet wide or 110 feet overall length. On interstate or four-lane highways, one escort to the rear of the second unit must be maintained, as long as neither load exceeds 18 feet width or 130 feet overall length.

A third unit traveling with the convoy must remain at a minimum distance of one-half mile from the group and must have its own escorts. A convoy of four units may travel in groups of two separated by a distance of at least one-half mile and also must have its own escorts.

Emergency moves requiring escorts are not allowed to convoy outside daylight hours.

Escort car/Company requirements

All escort vehicles must be properly licensed single vehicles. Motorcycles or vehicles in combination are not allowed.

Escort vehicles must be equipped with emergency triangles, extra OVERSIZE LOAD signs and flags, and a fire extinguisher with a minimum five-pound capacity and a BC (flammable liquids and electrical equipment) multi-use rating or a 10-pounds BC rating for hazardous material loads.

Escort vehicles must travel approximately 1,000 feet from the oversized load to warn approaching traffic, but not so far ahead or behind as to lose control. The escorted movement and the escort vehicles shall be equipped with two-way radios capable of transmitting and receiving at all times. Cellular or satellite telephones do not meet this requirement.

Escort vehicle drivers must insure that escorted movements do not park on the main traveled portion or the shoulder of the highway unless there's an emergency or to properly pass an obstacle. Should it be necessary to park, the load will be adequately protected by flagpersons, flares, an escort vehicle, and/or other suitable warning devices.

Escort car signs, flags, and lights

All escort vehicles must display OVERSIZE LOAD signs. The signs must be mounted in such a way that they are visible to approaching traffic, and must be at least five feet long and 10 inches high. The letters must be painted black with a one-inch brushstroke on a yellow background, and must measure at least eight inches high. Signs must be removed when not escorting loads.

Escort vehicles must conspicuously display clean red or fluorescent orange flags at each side of the required OVERSIZE LOAD sign. Flags must be at least 12 inches square. Headlights and taillights on escort vehicles must be lighted at all times during the move.

Escort vehicles must display a revolving flashing amber light, amber strobe light, or two two-way flashing amber lights mounted on the roof of the vehicle. The lights must be at least four inches in diameter. LED assemblies meeting the visibility requirements are allowed. Lights shall be clearly visible for at least 1,000 feet from the front and rear of the vehicle. Flashing lights shall not be used when not accompanying an approved permitted move.

When the Department Bridge Program designates a bridge as Reduced Speed, a warning sign that reads “CAUTION-This vehicle must slow down to 5 mph to cross bridges” is required. The signs shall have a yellow background and be at least 60 inches wide by 10 inches high and displayed on the rear of the vehicle or load. The word CAUTION shall be in black letters at least 8 inches high and with a two-inch wide black lettering for the remaining description. The signs shall be kept clean, fully visible, and shall not cover OVERSIZE LOAD signs, lights, reflectors, or license plates on the vehicle.

Travel restrictions

Daytime	Oversize movements are only allowed during daylight hours with exceptions. Overweight movements that are of legal size are not limited to operation during daylight hours.
Weekend	NS
Holidays	Movements requiring an escort will not be permitted to travel from one-half hour after sunset the evening before a holiday until one-half hour before sunrise the day after the holiday. When a holiday is combined with a weekend for a three-day weekend, these restrictions will be in force from one-half hour after sunset the day preceding the holiday weekend until one-half hour before sunrise the day following the holiday weekend. When a holiday falls on a Saturday, no move requiring escorts will be permitted from one-half hour after sunset Thursday until one-half hour before sunrise Monday, and when the holiday falls on a Sunday, no move requiring escorts will be allowed from one-half hour after sunset Friday to one-half hour before sunrise Tuesday. Oversize movements requiring escorts are prohibited during local celebrations when heavy local traffic is anticipated, or on the following legal holidays: • New Year’s • Memorial Day • Independence Day • Labor Day • Thanksgiving • Christmas
Visibility	Loads may be restricted during inclement weather on ice- and snow-covered highways, including periods of rain, fog, snow, ice, and high-winds. Oversize loads are not allowed to move if the highway is restricted to no unnecessary travel or if tire chains are required. Movements may be restricted due to low visibility or high winds.

['Size and Weight Limits']

['Oversize and Overweight Movements']

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Oversize and overweight movements - Wyoming