Ariz. Admin. Code § tit. 17, ch. 6, art. 1, tbl. 1
The Department may issue an applicable class of special permit, as provided under Article 2, for transporting on the State Highway System a vehicle, combination of vehicles, or vehicle and load combination exceeding any of the following maximum limits:
Width (A.R.S. § 28-1093 ) | Height (A.R.S. § 28-1094 ) | |
8' 6" (8' if the maximum width of the route is further restricted under R17-6-412, Table 4) | 14' (13' 6" if the maximum height of the route is further restricted under R17-6-412, Table 4) | |
Length (A.R.S. §§ 28-1095 and 28-1097 and 23 CFR 658.13 ) Legal for travel on the State Highway System, the Interstate Highway System, the federally-designated National Network of highways and routes listed under 23 CFR 658, App. A, and other highways and routes located within ten miles of an Interstate highway. | ||
Overhang | Front of vehicle Rear of vehicle or trailer | 3' 6' |
Straight truck | 40' | |
Bus, or recreational vehicle as defined in A.R.S. § 41-4001(30)(b), if non-articulated | 45' | |
Truck equipped with a conveyor bed and used solely as a fiber and forage module mover | 48' | |
Truck tractor - semitrailer combination Truck-tractor - semitrailer - forklift combination | National Network | 57' 6" semitrailer |
Truck tractor - semitrailer combination Truck-tractor - semitrailer - forklift combination | All other highways and routes of the State Highway System | 53' semitrailer; or 65' overall combination if semitrailer is more than 53' |
Truck tractor - semitrailer - trailer combination Truck tractor - semitrailer - semitrailer combination (B-train) | 28' 6" per semitrailer or trailer; or 65' overall combination | |
Truck - trailer combination Truck - forklift combination Truck - semitrailer combination | 28' 6" trailer; or 65' overall combination | |
Bus or trolley coach, if articulated | 60' overall combination | |
Pole trailer with non-reducible load (e.g., poles, pipes, structural material, etc.) | 80' cargo carrying length | |
Vehicle or boat transporter combination (stinger-steered) *Measurement of overall combination excludes extendable ramps and an overhang allowance of 4' to the front of the vehicle and 6' to the rear of the semitrailer | 80' overall combination* | |
Towaway trailer transporter combination | 82' overall combination | |
Drive-away saddlemount vehicle transporter combination with up to three saddlemounted vehicles (may include one fullmount) | 97' overall combination | |
Weight (A.R.S. §§ 28-1099 and 28-1100 and 23 U.S.C. § 127 ) Legal for travel on the State Highway System, the Interstate Highway System, the federally-designated National Network of highways and routes listed under 23 CFR 658, App. A, and other highways and routes located within ten miles of an Interstate highway. Legal weight shall be determined using the listed limits or the manufacturer's weight rating, whichever is less. | ||
Steering axle | 20,000 lbs. | |
Single axle | 20,000 lbs. | |
Single axle for a motor home; over-the-road bus; or vehicle regularly and exclusively used as an intrastate public agency transit passenger bus | 24,000 lbs. | |
Towaway trailer transporter combination | 26,000 lbs. overall combination | |
Vehicle combination of five axles or more with axle group weights computed using the formula prescribed under A.R.S. § 28-1100(A)(4) | 80,000 lbs. overall combination | |
An electric powered vehicle or a vehicle with an engine fueled primarily by natural gas may exceed any vehicle weight limit (up to a maximum gross vehicle weight of 82,000 pounds) as provided under 23 U.S.C. 127, by an amount that is equal to the difference between the weight of the vehicle attributable to the electric battery system, or the natural gas tank and fueling system carried by that vehicle, and the weight of a comparable diesel tank and fueling system. | ||
Ariz. Admin. Code tit. 17, ch. 6, art. 1, tbl. 1