# Texas — Maximum legal vehicle size and weight limits by US state For Texas, maximum width is 8'6"; maximum height is 14’; maximum semitrailer length is 59 feet; maximum gross weight is 80,000 pounds; statute / authority citation is TxDMV Texas Size/Weight Limits, recorded from its source on 2026-08-18. - **State:** Texas _(our reading, not quoted from the source)_ - **Maximum width:** 8'6" _(verified: appears in the quote below)_ - **Maximum height:** 14’ _(verified: appears in the quote below)_ - **Maximum semitrailer length:** 59 feet _(verified: appears in the quote below)_ - **Maximum gross weight:** 80,000 pounds _(verified: appears in the quote below)_ - **Statute / authority citation:** TxDMV Texas Size/Weight Limits _(our reading, not quoted from the source)_ ## What the source says > The following maximum dimensions may be operated on Texas’ highways without a permit . Width Passenger vehicle (and its load) - 8' All other vehicles (and loads) - 8'6" Height All vehicles: 14’ Length Vehicle Type | Length Limit | Single motor vehicle | 45 feet | Truck-tractor | Unlimited | Semitrailer, of two-vehicle combination | 59 feet | Two-vehicle combination, other than a truck-tractor combination 1 | 65 feet | Three-Vehicle combination other than truck-tractor combination 2 | 65 feet | Each trailer or semitrailer of a twin-trailer combination | 28.5 feet | Stinger-steered auto/boat or traditional auto/boat transporter (truck-tractor) 3 | Unlimited | Truck towing a trailer transporting boats | 65 feet | Front overhang | 3 feet | Rear overhang | 4 feet | Weight 4 Gross - 80,000 pounds maximum ## Source - https://www.txdmv.gov/motor-carriers/oversize-overweight-permits/texas-size-weight-limits Last verified: 2026-08-18. Review by: 2027-08-18. Part of [Maximum legal vehicle size and weight limits by US state](https://referencesource.org/truck-size-weight-limits-by-state/).