When a commercial truck accident results in a lawsuit, the plaintiff’s attorneys will almost certainly comb through your FMCSA compliance record. The reason is straightforward: federal regulations set a clear and documented standard of care for commercial carriers and drivers. A violation of any FMCSA rule — no matter how technical — can be used to establish negligence per se, dramatically shifting the legal landscape of a case.
This article explains how FMCSA regulations are used in truck accident litigation, what violations plaintiffs most commonly cite, and how carriers can protect themselves with strong compliance programs.
What Is the FMCSA and Why Does It Matter in Court?
The Federal Motor Carrier Safety Administration (FMCSA) is a U.S. Department of Transportation agency that regulates commercial motor vehicles operating in interstate commerce. Its regulations — found in Title 49 of the Code of Federal Regulations (CFR) — set the minimum legal standards for driver qualifications, hours of service, vehicle maintenance, cargo securement, drug and alcohol testing, and more.
When a truck accident lawsuit is filed, plaintiff attorneys treat FMCSA regulations as a codified checklist of what the carrier and driver were legally required to do. Any departure from those standards becomes evidence of negligence.
Negligence Per Se: The Core Legal Doctrine
Negligence per se is a legal doctrine that allows a court to presume negligence when a defendant violated a statute or regulation that was designed to protect a certain class of people from a particular type of harm. In trucking cases, this doctrine is frequently invoked when a carrier or driver violated an FMCSA rule and that violation contributed to the accident.
For example: if a driver falsified their ELD logs to show compliance with HOS rules when they had actually been driving for 14 consecutive hours, and then caused a crash due to fatigue, a court would likely find negligence per se based on the HOS violation alone. The plaintiff does not need to separately prove the driver was being careless — the regulation violation establishes it.
Top FMCSA Violations Used in Truck Accident Lawsuits
1. Hours of Service (HOS) Violations
HOS violations are cited in a large share of serious truck accident cases. The key rules under 49 CFR Parts 395 include:
- Property-carrying drivers: maximum 11 hours of driving after 10 consecutive off-duty hours
- 14-hour on-duty window: once a driver begins their day, they have 14 hours to complete all driving
- 60/70-hour limit: no more than 60/70 hours on duty in 7/8 consecutive days
- 30-minute break requirement: mandatory break after 8 cumulative hours of driving
Plaintiff attorneys will subpoena ELD records, fuel receipts, toll records, and cell phone data to reconstruct a driver’s actual schedule and compare it to logged hours.
2. Driver Qualification Failures
Under 49 CFR Part 391, carriers are required to verify a driver’s qualifications before hiring. This includes checking the FMCSA Drug & Alcohol Clearinghouse for prior violations, obtaining a 3-year driving history from each state where the driver held a license, and conducting a road test or reviewing equivalent documentation.
If a carrier hired a driver without conducting these checks and that driver had a disqualifying history, the carrier faces independent liability for negligent hiring.
3. Vehicle Maintenance Violations
Under 49 CFR § 396.3, carriers must systematically inspect, repair, and maintain all vehicles they control. If a crash investigation reveals that the truck had a known brake defect that wasn’t repaired, worn tires that should have triggered an out-of-service order, or a lighting system failure that went unaddressed, the maintenance record becomes a central issue in the lawsuit.
4. Drug and Alcohol Testing Failures
The FMCSA requires carriers to operate a compliant drug and alcohol testing program under 49 CFR Part 382. This includes pre-employment testing, random testing, post-accident testing, and return-to-duty testing. A failure to conduct required testing, or to check the Clearinghouse before hiring, can expose the carrier to punitive damages in addition to compensatory damages.
5. Cargo Securement Violations
Under 49 CFR Part 393, cargo must be properly blocked, braced, tied, and chained. Load shift accidents — where improperly secured cargo shifts during transport, causing loss of control — are often traced directly to cargo securement violations and create liability for both the carrier and the shipper.
How Plaintiff Attorneys Use FMCSA Records
Through discovery, plaintiff attorneys can obtain:
- The carrier’s FMCSA Safety Measurement System (SMS) score and BASIC percentiles
- DOT inspection reports and out-of-service orders for the vehicle
- The driver’s pre-employment screening program (PSP) record
- ELD records and engine control module (ECM) data
- Driver qualification files
- Maintenance logs and vehicle inspection reports (DVIRs)
A carrier with poor CSA scores across multiple BASICs is particularly vulnerable, as it demonstrates a systemic pattern of non-compliance rather than an isolated incident.
How Carriers Can Protect Themselves
The best litigation defense is a robust compliance program that documents everything. Carriers should:
- Conduct regular internal audits against FMCSA requirements
- Maintain complete and accurate driver qualification files
- Implement a systematic preventive maintenance schedule and document all repairs
- Use a reliable ELD system and enforce HOS compliance strictly
- Check the Drug & Alcohol Clearinghouse for every new hire and annually for existing drivers
- Train dispatchers not to pressure drivers to violate HOS rules
Frequently Asked Questions
Do FMCSA regulations apply to Canadian carriers operating in the US?
Yes. Canadian carriers crossing into the United States to operate in interstate commerce are subject to FMCSA regulations. Canada and the US have reciprocal agreements (governed in part by the CCMTA) that recognize each other’s commercial driver’s licenses and hours of service rules for cross-border operations. Canadian carriers must register with FMCSA and obtain a US DOT number for interstate operations.
Can a driver be sued personally if their carrier has insurance?
Yes. The carrier’s insurance covers the carrier and typically extends to the driver acting within the scope of employment, but plaintiff attorneys routinely name the driver personally. In cases involving egregious conduct (e.g., driving while severely impaired), courts may allow punitive damages that go beyond insurance coverage, leaving the driver personally exposed.
About the Author
James Whitmore is a commercial transportation consultant with over 15 years of experience in fleet compliance and regulatory risk management. → Back to the Trucking Legal & Liability Guide
Sources
- Federal Motor Carrier Safety Administration
- FMCSA Hours of Service Regulations — 49 CFR Part 395
- 49 CFR Part 391 — Qualifications of Drivers
- FMCSA Drug & Alcohol Clearinghouse
- FMCSA Safety Measurement System (SMS)
Disclaimer: The information provided in this article is for educational and informational purposes only and does not constitute legal advice. Regulations vary by jurisdiction and are subject to change. Always consult a qualified transportation attorney regarding your specific situation.