['Size and Weight Limits']
['Sizes and weights']
03/12/2025
Copyright 2025 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: | 14' | 14' |
| Length: | National Network | On All Other |
| Bus | ||
| Articulated bus | ||
| Straight Trucks | 45' | 45' |
| Straight truck and trailer | 65' | 65' |
| Tractor-semitrailer combinations | No limit | No limit |
| Semitrailer | 59' 6" | 59' 6" |
| Tractor-twin-trailer combination | No limit | No limit |
| Trailers of twin-trailer combinations | 28' 6" | 28' 6" |
| Boat-transporter combination | ||
| Overhang limitations | ||
| Stinger-steered boat-transporter | 75' | 75' |
| Overhang limitations | 3' front, 4' rear | 3' front, 4' rear |
| Auto-transporter | ||
| Overhang limitations | ||
| Stinger-steered auto-transporter | 80' | 80' |
| Overhang limitations | 4' front, 6' rear | 4' front, 6' rear |
| Saddlemount | ||
| General overhang limitations | ||
| Drawbar | ||
| Dromedary | ||
| Kingpin to rearaxle | ||
| Length special limitations or restrictions | ||
| Weight: | Interstate and Defense Highways | On All Other |
| Steer axle | 20,000 | 20,000 |
| Single axle | 20,000 | 20,000 |
| Tandem axle | 34,000 | 34,000 |
| Tridem axle | ||
| Gross vehicle weight | 80,000 | 85,500 |
| Load per inch width of tire | ||
| Per wheel | 10,000 | 10,000 |
| Tolerances | None | None |
| APU allowance | 400 | 400 |
| Natural gas allowance | 2,000 | 2,000 |
| Weight special limitations or restrictions | ||
['Size and Weight Limits']
['Sizes and weights']
UPGRADE TO CONTINUE READING
Load More
J. J. Keller is the trusted source for DOT / Transportation, OSHA / Workplace Safety, Human Resources, Construction Safety and Hazmat / Hazardous Materials regulation compliance products and services. J. J. Keller helps you increase safety awareness, reduce risk, follow best practices, improve safety training, and stay current with changing regulations.
Copyright 2025 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.