Truck Size and Length Limits
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Truck Size and Length Limits Width of Vehicle / Load • 8 Feet 6 inches. Height of Vehicle/Load • 14 Feet 0 inches. Front Overhang • 4 Feet 0 inches. • Measure from the front bumper of the power unit to the front of the load. Rear Overhang – Solo Vehicle • 3/4 Wheelbase. • Measure from the center of the last axle of the vehicle to the end of the load. Rear Overhang – Combination of Vehicles • 1/3 Wheelbase. • Measured from the center of the last axle to the end of the load, as long as: The load length does not exceed 40 feet. The trailer length does not exceed 40 feet. The overall length (including rear overhang) does not exceed 60 feet. • Otherwise, 5 feet is allowed off the back of the trailer, as long as any overall length limits for a given combination and highway are not exceeded. Load Length • 40 Feet. • Load length over 40 feet is permitted if the load does not extend beyond the rear of the semitrailer by more than five feet. • Loads over 40 feet cannot extend forward of the rear of the truck cab. ODOT Commerce and Compliance Division 1 Revised February 2020 Single (Solo) Truck Unit Length • 40 feet. Length of Truck Combinations Including Load • 60 Feet. • See exceptions below. Truck Tractor and Stinger Steered Pole Trailer • 65 Feet. ODOT Commerce and Compliance Division 2 Revised February 2020 Exceptions to Truck Combination Limits Truck Tractor and Semitrailer Length – Group 1 Highways Only • 60 Feet overall with a maximum 53 foot semitrailer. • Group Map 1 is available at any CCD permit office. • Visit the ODOT Commerce and Compliance Division website for more information. Truck Tractor and Semitrailer Length – Designated Routes Only • See Route Map 7, available at any CCD permit office. • Unlimited overall length with a maximum 53 foot semitrailer. • Visit the ODOT Commerce and Compliance Division website for more information. Truck and Trailer Length – Group 1 Highways Only • 75 Feet overall with a maximum 53 foot trailer. OR • 75 Feet overall with a maximum 40 foot truck. OR • 80 Feet overall with a maximum 40 foot trailer IF the trailer’s front axle is steerable by a turntable or converter dolly. • Group Map 1 is available at any CCD permit office. • Visit the ODOT Commerce and Compliance Division website for more information. ODOT Commerce and Compliance Division 3 Revised February 2020 Length of Truck Tractor with Semitrailer and Trailer (Set of Doubles) – Group 1 Highways Only • 75 Feet overall with one trailer being a maximum 40 feet in length. OR • Unlimited overall length with the two trailers measuring a maximum 60 feet from front to rear (including space between the trailers). • Group Map 1 is available at any CCD permit office. • Visit the ODOT Commerce and Compliance Division website for more information. Length of Truck Tractor with Semitrailer and Trailer (Set of Doubles) – Designated Routes Only • See Route Map 7. • Unlimited overall length with the two trailers measuring a maximum 68 feet from front to rear (including space between the trailers). • Route Map 7 is available at any CCD permit office. • Visit the ODOT Commerce and Compliance Division website for more information. ODOT Commerce and Compliance Division 4 Revised February 2020 .