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5 Axle Semi Truck
Table of Gross Weights by State
| State Name | Ruleset | Jurisdiction | Permit Required? | Estimated Gross * | Alabama | US Federal | Interstate and Designated | No | 80,000 lbs | Alaska | AK Law | Designated | No | 82,875 lbs | Alberta | AB Provincial Law | Primary | No | 87,082 lbs | Arizona | US Federal | Interstate and Designated | No | 80,000 lbs | Arkansas | US Federal | Interstate and Designated | No | 80,000 lbs | Atlantic Provinces (Canada) | Eastern Canada MOU | Primary | No | 91,492 lbs | British Columbia | BC Provincial Law | Primary | No | 95,019 lbs | California | US Federal | STAA Green and Blue Routes | No | 80,000 lbs | Colorado | US Federal | Interstate and Designated | No | 80,000 lbs | Colorado | CO Law | Non-Interstate Routes | No | 85,000 lbs | Connecticut | CT Under 73,000 law | Interstate and Design. CT Routes 1-399, 450, 476, 508, 693, 695 | No | 73,000 lbs | Connecticut | CT Over 73,000 law | Interstate and Design. CT Routes 1-399, 450, 476, 508, 693, 695 | No | 80,000 lbs | Delaware | US Federal | Interstate | No | 80,000 lbs | Delaware | DE Law | Non-Interstate Routes | No | 80,000 lbs | Florida | US Federal | Interstate | No | 80,000 lbs | Florida | FL Law | State Roads and Turnpike | Yes | 88,000 lbs | Georgia | US Federal | Interstate and NHS | No | 80,000 lbs | Georgia | GA Law | State Roads (Other than Interstate or NHS) | No | 80,000 lbs | Georgia | GA Law Under 73,280 Interstate | Interstate and NHS | No | 73,280 lbs | Hawaii | US Federal | Interstate | No | 80,000 lbs | Hawaii | HI Law | State Roads | No | 88,000 lbs | Idaho | US Federal | National Network | No | 80,000 lbs | Idaho | ID Law | National Network | Yes | 85,500 lbs | Idaho | ID Law | Designated Secondary Highways | Yes | 85,500 lbs | Illinois | US Federal | Class I and II Highways | No | 80,000 lbs | Indiana | US Federal | Interstate | No | 80,000 lbs | Indiana | IN Law (Under 73,280 lbs) | All Highways Except Heavy Duty Highways | No | 73,280 lbs | Indiana | IN Toll Rules | Toll Road | No | 85,500 lbs | Iowa | US Federal | Interstate and State Routes | No | 80,000 lbs | Kansas | US Federal | Interstate | No | 80,000 lbs | Kansas | KS State Law | Non-Interstate Highways | No | 85,500 lbs | Kentucky | US Federal | Interstate and Designated | No | 80,000 lbs | Kentucky | KY State Law | Non-Designated Highways | No | 36,000 lbs | Louisiana | US Federal | Interstate | No | 80,000 lbs | Louisiana | LA Law | Non-Interstate | No | 80,000 lbs | Maine | ME Law - Under 73,280 lbs | Interstate | No | 73,280 lbs | Maine | ME General Law | General Law Network | No | 80,000 lbs | Maine | ME Law - Over 73,280 lbs | Interstate | No | 80,000 lbs | Manitoba | MB Provincial Law | Primary | No | 88,185 lbs | Manitoba | MB Secondary Highways Law | Secondary Highways | No | 83,776 lbs | Maryland | US Federal | Interstate and Designated | No | 80,000 lbs | Maryland | MD Law Under 73,000 lbs | Interstate and Designated | No | 73,000 lbs | Maryland | MD Law Under 73,000 lbs | Non-State Highways | No | 73,000 lbs | Massachusetts | US Federal | Interstate and Designated | No | 80,000 lbs | Michigan | US Federal | Interstate and Designated | No | 80,000 lbs | Michigan | MI Law | Interstate and Designated | No | 88,000 lbs | Minnesota | US Federal | Interstate and Designated | No | 80,000 lbs | Mississippi | US Federal | Interstate and Designated | No | 80,000 lbs | Missouri | US Federal | Interstate and Designated | No | 80,000 lbs | Missouri | US Federal | Non-Interstate | No | 80,000 lbs | Missouri | MO Commercial Zones | Commercial Zones | No | 112,000 lbs | Montana | US Federal | Designated Routes | No | 80,000 lbs | Montana | MT Law - Short | All NN Routes except US 87 from mile 79.3 to 82.5 | Yes | 99,870 lbs | Montana | MT Law - Long | All NN Routes except US 87 from mile 79.3 to 82.5 | Yes | 99,870 lbs | Nebraska | US Federal | Interstate | No | 80,000 lbs | Nebraska | NE Law | State Designated Highways | No | 85,500 lbs | Nebraska | NE Interstate Permit | Interstate | Yes | 85,500 lbs | Nevada | US Federal | Interstate and Designated | No | 80,000 lbs | Nevada | NV Shorter Overweight Vehicle (SOV) | LCV Routes (Includes permitted vehicles over 80,000 lbs) | Yes | 85,500 lbs | New Hampshire | US Federal | Interstate and Defense Highways | No | 80,000 lbs | New Hampshire | NH Over Weight Registration | Interstates and Designated State Highways | Yes | 84,000 lbs | New Jersey | US Federal | Interstate and 102" / Twin Trailer network | No | 80,000 lbs | New Mexico | NM Law | Interstate and Designated | No | 81,900 lbs | New York | US Federal | Qualifying and Access Highways | No | 80,000 lbs | New York | NY State Law | State and Designated Highways | No | 80,000 lbs | New York | NY Type 1A - F1 Permit | Qualifying and Access Highways | Yes | 102,000 lbs | North Carolina | US Federal | Interstate and Designated | No | 80,000 lbs | North Dakota | US Federal | Interstate | No | 80,000 lbs | North Dakota | ND Non-Designated | Other State Highways not otherwise designated | No | 80,000 lbs | North Dakota | ND Law - 75 feet | 75' and 105,500 lbs network | No | 85,500 lbs | North Dakota | ND Law - 95 Feet | 95' and 105,500 lbs networks | No | 85,500 lbs | North Dakota | ND - Interstate with Permit | Interstate | Yes | 85,500 lbs | Ohio | US Federal | Interstate | No | 80,000 lbs | Ohio | OH Turnpike | Ohio Turnpike Commission Roads | No | 90,000 lbs | Ohio | OH Non-Interstate Law | Non-Interstate | No | 80,000 lbs | Ohio | OH Bridge Compliant Local | Non-Interstate | No | 70,500 lbs | Oklahoma | US Federal | Interstate and Designated | No | 80,000 lbs | Oklahoma | OK State Law | State Roads | Yes | 84,000 lbs | Ontario | ON Provincial Law | Primary | No | 101,192 lbs | Oregon | US Federal | Group 1 Routes (Interstates and Major Roads) | No | 80,000 lbs | Oregon | OR Extended Weight Permit | Group 1 Routes (Interstates and Major Roads) | Yes | 83,500 lbs | Pennsylvania | US Federal | Interstate and Designated | No | 80,000 lbs | Pennsylvania | PA Under 73,280 Law | Interstate and Designated | No | 73,280 lbs | Pennsylvania | PA Under 73,280 Law | Non - Interstate and Access Roads | No | 73,280 lbs | Quebec | QC Provincial Law A.13 | Ordinary Class | No | 89,287 lbs | Quebec | QC Thaw Period Weights A.13 | Ordinary Class | No | 87,082 lbs | Rhode Island | US Federal | Interstate and Designated | No | 80,000 lbs | Saskatchewan | SK Primary Law | Primary | No | 88,185 lbs | Saskatchewan | SK Secondary Law | Municipal Roads | No | 77,162 lbs | South Carolina | SC Non-Interstate | Non - Interstate | No | 80,608 lbs | South Carolina | SC Interstate under 75,185 lbs | Interstate | No | 75,185 lbs | South Carolina | SC Interstate over 75,185 lbs | Interstate | No | 80,000 lbs | South Dakota | US Federal | Interstate and Routes listed in S.D. 32-22-21.2 | No | 80,000 lbs | South Dakota | SD Law | Interstate and Routes listed in S.D. 32-22-21.2 | Yes | 85,500 lbs | South Dakota | SD Law | Non-Interstate and Routes listed in S.D. 32-22-21.2 | No | 85,500 lbs | Tennessee | US Federal | Interstate and Designated | No | 80,000 lbs | Texas | US Federal | Interstate and Designated | No | 80,000 lbs | Texas | TX Permit for Excess Weight | State and County Roads | Yes | 84,000 lbs | US Federal Regulations | US Federal | Interstates | No | 80,000 lbs | Utah | US Federal | Interstate and Designated | No | 80,000 lbs | Utah | UT Overweight Permit | Interstate and Designated | Yes | 85,500 lbs | Vermont | US Federal | Interstate Only | No | 80,000 lbs | Vermont | VT All Products Permit | State Highways | Yes | 85,500 lbs | Vermont | VT State Law | State Highways | No | 80,000 lbs | Virginia | US Federal | Interstate and Designated | No | 80,000 lbs | Virginia | VA 46.2-1128 Overweight | Non - Interstate Roads | Yes | 84,000 lbs | Washington | WA Law | Interstate and Designated | No | 85,500 lbs | West Virginia | US Federal | Interstate | No | 80,000 lbs | West Virginia | WV Law | US and WV State Routes | No | 88,000 lbs | Wisconsin | US Federal | Interstates and Designated Trunk Highways | No | 80,000 lbs | Wyoming | WY Table 1 Comply | Interstate, Primary and Secondary Roads | No | 85,500 lbs | Wyoming | WY Table 2 Comply | Primary and Secondary | No | 80,000 lbs |
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* This is an estimate as it does not include bridge and tire compliance.
Having just returned from USA and CANADA I would like to show my mates the different tractor trailer axle combinations that I sighted on the roads in Your country
How can Ontario be 101900 lbs if the max per Axel (tandem) is 37000 lbs?
Thanks for the question Alex!
According to the Ontario Regulations: Ontario Regulations
Steer Axle: 7,700 kgs / 16,976 lbs
Tandem Axles (1.2-1.8m spread): 18,000 kgs / 39,683 lbs
Tandem Axles (1.8m spread): 19,100 kgs / 42,108 lbs
So if you have a semi truck with the wider spread on both your drives and your trailer, you can have: 16,976 + 42,108 + 42,108 = 101,192 lbs. Of course, most trucks will not have a 1.8m spread on their drives and will have a maximum of: 16,976 + 39,683 + 42,108 = 98,767 lbs.
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