['Size and Weight Limits']
['Sizes and weights']
07/21/2024
Copyright 2024 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.
...
SEARCH
| Dimension | National Network | State and Other Supplemental Highways |
| Width: | 8' 6" | 8' 6" |
| Height: | 13' 6" | 13' 6" |
| Length: | National Network | State and Other Supplemental Highways |
| Bus | ||
| Articulated bus | 65' operated in urban areas | 65' operated in urban areas |
| Straight Trucks | 45' | 45' |
| Straight truck and trailer | 70' | 70' |
| Tractor-semitrailer combinations | No limit | 75' on state trunk highways |
| Semitrailer | 53' see KPRA | 53' see KPRA |
| Tractor-twin-trailer combination | No limit | Not allowed |
| Trailers of twin-trailer combinations | 28' 6" | Not allowed |
| Boat-transporter combination | ||
| Overhang limitations | ||
| Stinger-steered boat-transporter | 75' | |
| Overhang limitations | 3' front, 4' rear | |
| Auto-transporter | 66' | 66' |
| Overhang limitations | 4' front, 5' rear | 4' front, 5' rear |
| Stinger-steered auto-transporter | 75' | 66' |
| Overhang limitations | 3' front, 4' rear | 4' front, 5' rear |
| Saddlemount | 97' | 97' |
| General overhang limitations | 3' front, rear NS | 3' front, rear NS |
| Drawbar | 12' | 12' |
| Dromedary | ||
| Kingpin to rearaxle | 43' to the center of the rearmost axle or a point midway between tandem axles. Allowed on Interstates and designated highways and certain state trunk highways only. | 43' to the center of the rearmost axle or a point midway between tandem axles. Allowed on Interstates and designated highways and certain state trunk highways only. |
| Length special limitations or restrictions | ||
| Weight: | Interstate and Defense Highways | State and Other Supplemental Highways |
| Steer axle | 13,000 Up to 20,000 pounds if the manufacturer's rated capacity of the axle and the tires are sufficient to carry the weight | 13,000 Up to 20,000 pounds if the manufacturer's rated capacity of the axle and the tires are sufficient to carry the weight |
| Single axle | 20,000 | 20,000 |
| Tandem axle | 34,000 | 34,000 |
| Tridem axle | ||
| Gross vehicle weight | 80,000 | 80,000 |
| Load per inch width of tire | ||
| Per wheel | 11,000 | 11,000 |
| Tolerances | ||
| APU allowance | 550 | 550 |
| Natural gas allowance | 2,000 | 2,000 |
| Weight special limitations or restrictions | ||
Bridge rules
['Size and Weight Limits']
['Sizes and weights']