Hurt in a crash with a commercial truck in Oklahoma? Truck claims can involve the driver, the carrier, and their insurers, and two state rules shape every claim: the filing deadline and how fault is shared.
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Oklahoma's personal injury statute of limitations for trucking accident claims is two years from the date of the crash under 12 O.S. § 95(3). But the real deadline is much shorter than two years. Federal motor carrier safety regulations require carriers to preserve electronic logging device data for only six months (49 CFR § 395.8(k)), driver qualification files for three years after employment ends (49 CFR § 391.51), and post-accident drug and alcohol test results for specific retention periods under 49 CFR Part 40. Oklahoma adopted these federal regulations through 47 O.S. § 230.4(2) and OAC 595:35-1-4, enforced by OHP Troop S. If your attorney does not send a spoliation preservation letter within days of the crash, the carrier can lawfully destroy the very evidence that proves hours-of-service violations, fatigue, or impaired driving.
Oklahoma's weight limits under 47 O.S. § 14-109 follow the federal framework: 20,000 pounds single axle, 34,000 pounds tandem axle, and gross weight per the Federal Bridge Formula (23 U.S.C. § 127). But Oklahoma's overload permit system under § 14-109(D) creates a distinctive hazard. An annual $350 permit allows carriers hauling rock, sand, gravel, coal, grain, livestock, agricultural products, and oil field equipment to exceed the gross weight limit by 5% and axle limits by 8% on non-Interstate roads. That extra weight is legal, but it extends stopping distances, increases rollover risk on curves, and amplifies the force of impact in a collision. The Tulsa Port of Catoosa generates specialized heavy transport — loads exceeding 300,000 pounds confined to a 30-mile radius with a 23,000-pound per-axle cap under § 14-109(E). When an overweight truck causes a crash on an Oklahoma two-lane highway, the permit does not immunize the carrier from negligence — it means the carrier accepted the known risk of operating at the margins of road engineering.
Under Oklahoma's modified comparative negligence rule (23 O.S. § 13), a plaintiff whose fault is 'of greater degree' than the combined negligence of all defendants recovers nothing. In a truck crash, the defense strategy is to shift fault to the injured driver — following too closely, failing to yield, distracted driving. Every percentage point matters because crossing the 51% line eliminates the claim entirely. Federal violations are powerful counterweights: an hours-of-service violation under 49 CFR Part 395 proves the driver was legally too fatigued to be on the road. A failed pre-trip inspection under 49 CFR § 396.13 proves the carrier sent a mechanically deficient truck into traffic. These are not abstract regulatory infractions — they are direct evidence of negligence that anchors fault on the carrier.
If a government vehicle caused or contributed to the crash — an ODOT maintenance truck, a county road crew vehicle, a state agency fleet vehicle — the Governmental Tort Claims Act under 51 O.S. § 156 imposes a one-year notice deadline from the date of loss. The notice must be in writing, filed with the Office of Risk Management (state) or the clerk of the governing body (political subdivision), and must include treating provider names and a HIPAA authorization under § 156(F). Miss the one-year GTCA notice and the government claim is permanently barred regardless of how clear the liability. Incapacity tolling under § 156(E) excludes up to 90 days of incapacity from the notice period.
Legal Information Notice
The legal information on this page is for general educational purposes only and is not legal advice. Laws change, and every case is different. Always consult with a licensed attorney in your state to verify the current law and how it applies to your specific situation.
Two years from the date of the crash under 12 O.S. § 95(3). But critical evidence has shorter preservation windows: electronic logging device data must be kept only six months under 49 CFR § 395.8(k), and driver qualification files only three years under 49 CFR § 391.51. An attorney must send a spoliation preservation letter to the trucking company within days of the crash to prevent lawful destruction of the evidence that proves hours-of-service violations and driver fatigue.
Oklahoma adopted 49 CFR Parts 40, 107, 171-173, 177-178, 180, and 382-397 by reference under 47 O.S. § 230.4(2), implemented through OAC 595:35-1-4. This includes hours-of-service limits (Part 395), driver qualification requirements (Part 391), vehicle maintenance and inspection standards (Part 396), and drug and alcohol testing (Part 382). Enforcement is by the Oklahoma Highway Patrol Troop S. A violation of any adopted federal regulation is evidence of negligence under Oklahoma tort law.
Yes — but only if your fault does not exceed the combined fault of all defendants. Oklahoma follows modified comparative negligence under 23 O.S. § 13 with a 51% bar. In truck cases, the defense routinely tries to shift fault to the injured driver using speed, lane position, and following distance. Federal violations by the carrier — hours-of-service breaches, failed inspections, overweight operation — are the counterevidence that keeps the fault allocation below the 51% threshold.
Single axle: 20,000 pounds. Tandem axle: 34,000 pounds. Gross weight follows the Federal Bridge Formula per 47 O.S. § 14-109. Oklahoma's unique overload permit under § 14-109(D) allows carriers hauling certain commodities (rock, sand, gravel, coal, grain, livestock, oil field equipment) to exceed gross weight by 5% and axle limits by 8% on non-Interstate roads for an annual $350 fee. The Tulsa Port of Catoosa area permits loads up to 300,000+ pounds under § 14-109(E).
All legal information on this page is sourced from primary government statutes. Last verified 2026-04-07.
47 O.S. § 14-109
single axle, tandem, Federal Bridge Formula
49 CFR Part 395
Hours of Service & Electronic Logging Devices (federal)
49 CFR Part 391
Driver Qualification Files (federal)
47 O.S. § 230.4
Commissioner adopts 49 CFR by reference
OAC 595:35-1-4
49 CFR Parts 40, 107, 171-173, 177-178, 180, 382-386, 390-397
47 O.S. § 230.4(2)
Commissioner of Public Safety
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