Wyoming Administrative Code
Agency 045 - Transportation, Dept. of
Sub-Agency 0004 - Motor Carrier
Chapter 5 - SIZE AND WEIGHT LIMITATIONS OF VEHICLES
Section 5-4 - Permit-issuing Authorities and Types of Permits Available

(a) Subject to the conditions in this chapter of rules and regulations, the following are authorized to issue permits for moving non-divisible oversize and/or overweight loads and vehicles:

(b) Class A permits (Super Loads) authorize separate movements of non-divisible loads exceeding Class B or Class C limits. Class A permits shall be approved ONLY by the Overweight Loads Office, and are issued by permit-issuing authorities. Loads more than 18 feet wide or high require a minimum of 24-hour prior notification by the carrier. Movements that are delayed shall notify the Overweight Loads Office. Class A permits are subject to any conditions or restrictions imposed.

(c) Class B permits authorize separate movements of non-divisible loads not exceeding Class B limits.

(d) Class C permits are self-issuing permits that authorize separate movements of non-divisible loads not exceeding Class C limits. The Overweight Loads Office approves and issues Class C permits to qualified residents of Wyoming. The self-issuing permit holder shall complete a separate Class C permit before each separate move. Instructions for Class C permits are explained in Section 15.

(e) Class D permits are extended period permits authorizing multiple movements of vehicles without loads or with a non-divisible load or vehicle that does not exceed the Class D limits. Class D permits are approved for specified vehicles and loads, routes, and time periods. Class D permits shall be issued as explained in Section 17.

(f) Class E permits are oversize permits for separate movements or extended periods of movement. Class E permits are effective for one or more months (not to exceed 90 days) to permit hauling forest products, baled hay or corn stalks, or combine headers. Class E permits shall be issued as explained in Section 19.

(g) Class F permits are overweight permits for separate movements or extended periods of movement. Class F permits are effective for one or more months (not to exceed 90 days) to permit hauling of forest products, sugar beets, gravel, livestock, and agricultural products in trucks that cannot be weighed at the point of loading on primary and secondary highways ONLY. Class F permits will be issued as explained in Section 19.

(h) Class W permits are for multi-piece loads exceeding 117,000 pounds on primary and secondary highways ONLY. Class W permits will be issued as explained in Section 20.

(i) Off-load permits are for vehicles or loads exceeding statutory size and/or weight limits that cannot be safely reduced at the location where the violation was discovered. (Please see W.S. 31-18-805 [b].) These permits shall not exceed Class B limits without the Overweight Loads Office authority. Off-load permits shall be issued as explained in Section 5, Statutory and Administrative Exemptions.

(j) Secondary tow permits for weight shall be issued as explained in following Section 5, Statutory and Administrative Exemptions.

(k) Emergency relief permits are oversize and/or overweight permits for separate movements or extended periods of movement. Emergency relief permits are issued when the Governor or the director has determined that greater vehicle weight or size will relieve an economic hardship or benefit the general welfare of the state of Wyoming or another state. Emergency relief permits shall be issued as explained in Section 24.

(l) Prior-operation permits are issued for unauthorized, non-permitted, and/or size and weight violations for exceeding statutory or permit limits.

(m) Classes B, C, or D permit limits shall not exceed the following:

All other axle groups are governed by the number of axles and axle measurements. (See maximum allowable table at the end of this section).

Variable Load Suspension Axle: If any axle group containing a variable load suspension axle exceeds legal or allowable weight without using the variable load suspension axle, the variable load suspension axle shall be used to the extent that it assumes sufficient weight to keep the axle group with which it is used within legal weight for a divisible load or permissible weight for a non-divisible load.

Vehicles equipped with a functional variable load suspension axle shall be required to put the axle into use if the vehicle is overweight and the use of the axle will reduce the amount of overweight on an axle group, inner bridge, or gross. In certain cases, the use of this type axle may reduce the allowable weights a vehicle may carry. If the allowable weight is reduced due to decreased bridge between axle groups, the use of the axle is not required. Note: Variable load suspension axles are known by many names including, but not limited to: flip axle, lift axle, tag axle, and "Joe Dog."

(m) Non-divisible loads as defined in Section 2(ll) of these rules and regulations shall be governed according to the following:

Weight: For single units it shall be permissible to issue a permit to an overweight vehicle pulling a trailer, as long as the trailer does not transmit more than 500 pounds tongue weight onto the overweight vehicle and/or does not result in a greater overage than the single unit by itself. Carriers using this configuration shall use Weight Table 1.

If possible, all overweight loads shall be arranged to equalize the weight approximately between axle groups.

(n) Oversize vehicles may be used to transport legal loads smaller and lighter than the vehicles were designed to transport; however, all oversize and/or overweight loads shall meet non-divisible load requirements. Appropriate permits shall also be required for all moves.

(o) Oversize and/or overweight vehicles or loads meeting allowable Class B and Class C limits shall not be required to obtain a permit if the load or vehicle is crossing a highway, upon the highway surface, or perpendicular to the highway, but shall comply with the safety measures in Section 8. Any movement of this type that exceeds Class B and Class C limits shall obtain proper authorization from the Overweight Loads Office before beginning the move.

MAXIMUM ALLOWABLE TABLE

3 AXLES

4 AXLES

SINGLE/ TRIPLE COMBINATION

(Not to exceed 25,000 on Single Axle or 65,000 on Triple Axle)

TANDEM/TANDEM COMBINATION

(Not to exceed 55,000 on either Tandem Axle)

TANDEM/SINGLE/SINGLE COMBINATION

5 AXLES

TRIPLE/TANDEM COMBINATION

(Not to exceed 65,000 on Triple or 55,000 on Tandem)

SINGLE/QUAD COMBINATION

(Not to exceed 25,000 on Single Axle or 74,000 on Quad Axle)

6 AXLES

TANDEM/TANDEM/TANDEM COMBINATION

(Not to exceed 55,000 on any Tandem Axle)

TRIPLE/TRIPLE COMBINATION

(Not to exceed 65,000 on either Triple Axle)

QUAD/TANDEM COMBINATION

(Not to exceed 74,000 on Quad Axle or 55,000 on Tandem Axle)

SINGLE/5 Axle Combination

(Not to exceed 25,000 on Single Axle or 85,000 on 5 Axles)

SINGLE AXLES IN COMBINATION

(Not to exceed 25,000 on any Single Axle)

QUAD/TRIPLE COMBINATION

(not to exceed 74,000 on a Quad Axle or 65,000 on a Triple Axle)

(Five Axle Group not to exceed 85,000 pounds or Tandem Axle not to exceed 55,000 pounds)