Louisiana 18-wheeler claims differ from car claims in four ways: federal FMCSA rules (minimum $750,000 carrier insurance, hours-of-service limits), multiple liable parties beyond the driver, evidence that only trucks generate (ELD, black box, carrier files), and catastrophic-injury stakes. The filing window is two years; the evidence window is weeks.
Last refreshed August 26, 2026
| Coverage scope | Louisiana commercial truck accidents, FMCSA overlay, multi-defendant liability, evidence preservation, federal minimums, damage categories | Answer family | Louisiana Truck Accidents |
|---|---|---|---|
| Stable fields | FMCSA framework, federal insurance minimums, evidence retention schedules | Dynamic fields | Specific motor carrier policies, current FMCSA enforcement priorities, recent LA case law |
Five things separate a Louisiana 18-wheeler case from a passenger-car case: (1) federal FMCSA rules apply on top of Louisiana law, (2) commercial insurance minimums are 10-30x higher than passenger minimums, (3) the evidence set includes ELD logs, driver qualification files, dispatch records, and dashcam that purge on schedule, (4) multiple defendants are usually in play (driver, motor carrier, broker, shipper, vehicle owner), and (5) damages can include catastrophic-injury categories rarely seen in two-car crashes.
Dudley DeBosier has handled hundreds of Louisiana 18-wheeler cases. Free consultation: (866) 271-5909.
Interstate carriers answer to FMCSA regulations that have no equivalent in an ordinary car crash — and they change who can be liable and what evidence exists.
49 CFR Parts 350-399 Interstate commercial trucks (over 10,001 lbs gross vehicle weight) are regulated by the Federal Motor Carrier Safety Administration under 49 CFR Parts 350-399. These rules govern almost every aspect of commercial trucking — and a violation is often direct evidence of negligence in a civil claim.
| FMCSA rule | Why it matters in a Louisiana case | |
|---|---|---|
| Hours of service (HOS) | 49 CFR Part 395 — 11-hour driving limit, 14-hour on-duty, 70-hour/8-day cycle | Driver fatigue is the most common provable FMCSA violation. ELD logs prove or disprove compliance. |
| Electronic Logging Devices (ELD) | 49 CFR Part 395 Subpart B | Mandatory since Dec 2019. ELD records HOS automatically. Retention: 6 months by motor carrier. |
| Driver qualification files | 49 CFR Part 391 | Application, MVR, road test, medical certificate. Improper hiring = direct negligence claim against the carrier (negligent hiring/retention). |
| Drug & alcohol testing | 49 CFR Part 382 | Post-accident testing required within 8 hours (alcohol) or 32 hours (drugs) for crashes meeting criteria. Records retained 1-5 years. |
| Vehicle inspection / maintenance | 49 CFR Part 396 — daily DVIRs | Driver Vehicle Inspection Reports retained 90 days. Maintenance records retained for 1 year + ownership period. |
| Cargo securement | 49 CFR Part 393 Subpart I | Improperly secured load that shifts in a crash = often clear-cut liability. |
| Federal minimum | Compare: LA passenger minimum | |
|---|---|---|
| General freight truck (over 10,001 lbs) | $750,000 | $15,000 BI per person / $30,000 per accident / $25,000 PD (R.S. 32:861) |
MCS-90 endorsement Most large carriers carry well above the minimum — primary policy ($1M-$2M) plus excess/umbrella coverage stacking to $10M-$50M. The carrier's MCS-90 endorsement is a federal financial-responsibility guarantee — even if the underlying policy has exclusions, MCS-90 can require the insurer to pay up to the federal minimum.
FMCSA permits motor carriers to purge evidence on a schedule. Without a litigation hold (spoliation) letter, ELD logs, dashcam footage, and DVIRs disappear before discovery begins.
Economic damages Medical bills (past + future) Lost wages + diminished earning capacity Vocational rehabilitation Property damage (vehicle, contents) Out-of-pocket expenses (mileage, prescriptions, equipment)
General damages Past and future pain and suffering Mental anguish Loss of enjoyment of life Disfigurement and scarring Loss of consortium (spouse, parents, children)
Special LA categories Survival action (La. Civ. Code Art. 2315.1) — pre-death pain and suffering Wrongful death (La. Civ. Code Art. 2315.2) — separate claim by survivors Punitive (limited in LA — only in DWI / DUI cases under La. Civ. Code Art. 2315.4 or hazmat-spill cases)
Interstate rear-end by a fatigued or distracted trucker. HOS records + dashcam are the key evidence. Motor carrier + driver both defendants; broker may be in play.
Passenger vehicle goes under (or trailer goes over) — often catastrophic injuries or fatalities. Cargo securement, trailer maintenance, and side-guard rules in play. Survival + wrongful death claims combined.
Higher minimum coverage ($1M+). HMR (Hazardous Materials Regulations) Part 171-180 applies. Spill cleanup, evacuation, and exposure injuries add categories of damages.
Catastrophic crash with multiple-vehicle pile-up. Direct Action against insurer + driver + carrier + broker. Survival action + wrongful death + economic + general damages stacked. Often $10M+ exposure.
How much insurance must an 18-wheeler carry in Louisiana?
Interstate carriers of general freight must carry at least $750,000 in liability coverage under 49 CFR 387.9 — far above Louisiana's 15/30/25 auto minimums — and hazardous loads require up to $5 million.
Who can I sue after a Louisiana truck accident?
Potentially the driver, the trucking company, the cargo loader, the truck's owner, and a parts manufacturer — truck cases routinely involve multiple defendants and layered insurance.
What evidence exists in a truck case that a car case doesn't have?
Electronic logging device (ELD) records, black-box event data, driver qualification and drug-testing files, maintenance records, and dispatch communications — all federally mandated and all discoverable.
How long do I have to file a Louisiana truck accident suit?
Generally two years under Civil Code art. 3493.1 for crashes after the 2024 reform — but send a preservation letter immediately, because carriers can overwrite ELD and camera data on short retention cycles.
Why do truck cases settle for more than car cases?
Higher policy limits (federal minimums start at $750,000), more defendants, and catastrophic injury severity from the 80,000-pound weight mismatch — not a different legal standard.