The Federal Motor Carrier Safety Administration (FMCSA) regulates every aspect of commercial trucking in the United States: how long drivers can stay behind the wheel, how vehicles must be maintained, how cargo must be secured, and how carriers must vet the people they hire. When those rules are broken and someone gets hurt, the violation gives your attorney a powerful foundation to build your case on.
At Kwartler Manus Injury Law, we have secured significant recoveries for injured victims across Pennsylvania and New Jersey and have extensive experience handling complex cases involving commercial carriers and their insurers. Our founding partners, David E. Kwartler and Jason I. Manus, are Pennsylvania Super Lawyers with decades of combined experience holding negligent trucking companies accountable.
This blog breaks down the regulations that matter most, the violations we see most often in Philadelphia-area truck accident cases, how those violations translate into legal liability, and what you need to do to preserve the evidence before it disappears.
What Is the FMCSA?
The FMCSA is a federal agency within the U.S. Department of Transportation that sets and enforces safety regulations for commercial motor vehicles operating in interstate commerce. Its regulations are codified in Title 49 of the Code of Federal Regulations, Parts 300–399, and cover every carrier, driver, and commercial vehicle on Pennsylvania roads.
Those regulations govern:
- How long can drivers operate a truck before resting
- How vehicles must be inspected and maintained
- How carriers must vet, train, and test the drivers they hire
- How cargo must be loaded and secured
- What minimum insurance must commercial carriers carry
Under Pennsylvania's negligence per se doctrine, established in Congini v. Portersville Valve Co., 504 Pa. 157 (1983) and further developed in Shamnoski v. PG Energy, 579 Pa. 652 (2004), a defendant who violates a safety regulation designed to prevent the type of harm that occurred may be found liable without requiring additional proof of a breach of duty. This is because the violation itself establishes it.
The FMCSA also maintains a publicly accessible Safety Measurement System (SMS) that tracks every carrier's history of violations, inspections, crashes, and out-of-service orders. A carrier's SMS profile can show a jury whether that company had been warned before.
Core FMCSA Regulations: What the Law Requires
| Regulatory Area | Key Rule | Citiation |
| Hours of Service (HOS) | Drivers limited to 11 hours driving after 10 consecutive hours off duty; 14-hour on-duty window; 60/70-hour weekly limits. | 49 C.F.R. Part 395 |
| Electronic Logging Devices | Most commercial drivers must use a certified ELD to record HOS data automatically | 49 C.F.R Part 395.8 |
| Driver Qualifications | Carriers must verify CDL validity, medical certification, employment history (10 years), and drug/alcohol testing compliance before hiring | 49 C.F.R. Part 391 |
| Drug & Alcohol Testing | Pre-employment, random, post-accident, and reasonable suspicion testing required for all CDL drivers | 49 C.F.R. Part 382 |
| Vehicle Inspection & Maintenance | Carriers must systematically inspect, maintain, and repair vehicles; drivers must conduct pre- and post-trip inspections | 49 C.F.R. Part 396 |
| Cargo Securement | All cargo must be properly secured to prevent shifting or faling; specific rules apply by cargo type | 49 C.F.R. Part 393 |
| Minimum Insurance | Interstate carriers must carry at least $750,000 in liability coverage; $5 million for hazardous materials | 49 C.F.R. Part 387 |
| Controlled Substance & Alcohol | Drivers are prohibited from operating with a BAC of 0.04% or higher or while impaired by controlled substances | 49 C.F.R. Part 392 |
Common FMCSA Violations and Their Legal Impact
Not all violations carry equal weight. Some are administrative. Others are the direct cause of catastrophic crashes. Here's how the most common violations break down and what they mean when your attorney builds your case:
| Violation | What It Means | Legal Impact |
| Hours of Service violation | Driver exceeded allowable driving time or failed to take required rest breaks | Establishes driver fatigue as a direct cause; shifts liability to the carrier for inadequate oversight |
| Falsified or missing HOS logs | The driver manually altered paper logs or ELD records | Demonstrates consciousness of guilt; supports punitive damages argument |
| No valid CDL or expired medical certificate | The driver was unqualified to operate the vehicle | Carrier is liable for negligence; it creates liability for the carrier and potentially the maintenance contractor |
| Failed or skipped drug/alcohol test | Driver not properly tested pre-employment, post-accident, or at random intervals | Carrier knew or should have known the driver was impaired; this amplifies the negligence claim |
| Positive post-accident drug/alcohol test | The driver was impaired at the time of the crash | Direct causation evidence; potential punitive damages |
| Defective brakes or tires | Vehicle placed or kept in service with known mechanical defects | Establishes negligent maintenance; creates liability for the carrier and potentially the maintenance contractor |
| Skipped or falsified inspection reports | Pre- or post-trip inspection not completed or not recorded honestly | Shows systemic disregard for safety; supports the pattern-of-conduct argument at trial |
| Improper cargo securement | Load shifted, fell, or contributed to loss of vehicle control | Liability extends to the shipper and loader in addition to the carrier |
| Out-of-service order violations | Carrier or driver operated after being ordered off the road by federal or state inspectors | Among the most egregious violations, a strong punitive damages argument |
| Inadequate driver vetting | Carrier failed to verify prior crashes, violations, or disqualifying history | Negligent entrustment claim against the carrier regardless of the driver's individual negligence |
A Step-by-Step Walkthrough of How FMCSA Violations Establish Liability
Step 1: Identify the Applicable Regulation
The first task is to determine which FMCSA rules governed the driver and the carrier at the time of the crash. We question:
- Was the driver operating in interstate commerce?
- Was the vehicle over 10,001 pounds?
- Was the cargo hazardous?
The answers determine which regulations apply and which potential violations are in play.
Step 2: Obtain the Evidence
Before anything else, we issue a litigation hold letter compelling the carrier and its insurer to preserve all relevant records. Then we move to obtain:
- ELD data and HOS logs
- Driver qualification file
- Vehicle inspection and maintenance records
- Drug and alcohol testing history
- The carrier's SMS profile from the FMCSA database
- Cargo manifests and securement records
- Black box / EDR data
- Dash cam footage
Many of these records have short preservation windows. For example, black box data can be overwritten within days, and dash cam footage is often gone within 72 hours. That’s why we move immediately.
Step 3: Establish the Violation
Once records are secured, we analyze them against the applicable federal standard:
- Did the driver log 13 hours behind the wheel when the law allows 11?
- Did the carrier's maintenance records show a brake defect that was flagged and ignored?
- Was the driver's medical certification expired at the time of the crash?
Each discrepancy is documented and matched to the specific regulatory provision it violates.
Step 4: Connect the Violation to the Crash
- Violation alone isn't enough; it must be causally connected to your injuries
- This is where accident reconstruction experts, medical experts, and engineering witnesses become essential
- We retain specialists who can establish, with precision, how the regulatory failure contributed directly to the collision and the harm you suffered
Step 5: Apply Negligence Per Se
- FMCSA regulations are squarely designed to prevent commercial truck crashes and protect people on the road
- When a defendant violates a statute or regulation designed to protect a specific class of people from a specific type of harm, and that harm occurs, the violation may constitute negligence per se
- This means the breach of duty is presumed, not argued
Step 6: Extend Liability to the Carrier
- Under the doctrine of respondeat superior, carriers are liable for driver negligence committed within the scope of employment
- Beyond that, carriers face independent liability for negligent hiring, negligent retention, and negligent entrustment when their own failures in vetting, training, or oversight contributed to the crash
Step 7: Use the Carrier's Safety History
- A carrier's FMCSA SMS profile is public record
- If it shows a history of HOS violations, failed inspections, or prior crashes, that history supports an argument that the carrier had notice of the problem and failed to correct it
- At trial, that becomes a pattern-of-conduct argument, and thus the foundation for a punitive damages claim
Evidence Preservation: What Matters, When to Move, and Why
In truck accident cases, the evidence that proves a violation is the same evidence that disappears fastest. That is why the first thing we do after being retained is send a formal litigation hold letter, putting every relevant party on written notice of their duty to preserve.
Evidence Preservation Checklist
| Evidence | Source | Preservation WIndow | Why It Matters |
| Black box/ EDR data | Truck's onboard computer | Days to weeks - Can be overwritten | Captures pre-crash speed, braking, and steering inputs |
| ELD records | Carrier / FMCSA portal | 6 months minimum (49 C.F.R § 395.8) | Documents HOS compliance or violations |
| Dash cam footage | Truck cab or nearby vehicles | Often overwritten within 24-72 hours | Captures the crash sequence in real time |
| Driver qualification file | Carrier (via subpoena) | Ongoing duty under FMCSA | Reveals prior violations, medical status, and testing history |
| Drug & alcohol test results | Carrier | Must be conducted within 8 hours (alcohol) / 32 hrs (drugs) post-crash (49 C.F.R. § 382.303) | Establishes impairment at the time of the crash |
| Vehicle inspection & maintenance records | Carrier/repair shops | Ongoing duty to preserve after notice | Documents known defects and whether they were addressed |
| Cargo manifest/bill of lading | Shipper/carrier | Document immediately | Establishes what was being hauled and by whom |
| FMCSA SMS carrier profile | ai.fmcsa.dot.gov/SMS | Public record - pull immediately | Shows violation history, crash history, and out-of-service rates |
| Police crash report | PA State Police or local PD | Days to weeks | Official record of the scene, parties, and initial findings |
| Surveillance/traffic camera footage | DOT, municipalities, businesses | Often overwritten within 24-72 hours | Independent visual record of the crash |
| Cell phone records | Driver's carrier (subpoena required) | Subpoena required | Establishes distraction as a contributing factor |
| Witness statements | At scene/follow-up | As soon as possible | Eyewitness accounts of driver behavior before impact |
Our Investigative Checklist
- Day 1: Litigation hold letters sent to carrier, insurer, and all relevant third parties.
- Day 1–3: Black box, ELD, and dash cam preservation demands served.
- Week 1: FMCSA SMS profile pulled; carrier's violation and crash history reviewed.
- Week 1–2: Accident reconstruction expert retained and dispatched to the scene if applicable.
- Week 2–4: Subpoenas issued for driver qualification file, drug/alcohol records, and maintenance logs.
- Ongoing: Medical records gathered; treating providers consulted on causation; damages documented.
- As needed: Cell phone records subpoenaed; surveillance footage obtained from municipalities and businesses.
Frequently Asked Questions
What FMCSA violations are most common in Philadelphia-area truck accidents?
Based on FMCSA inspection and enforcement data, the most frequently cited violations in commercial truck crashes involve hours of service, brake system defects, tire conditions, driver qualifications, and cargo securement. In urban corridors like Philadelphia, brake and tire violations are especially prevalent due to the stop-and-go traffic on those routes.
Can I sue the trucking company, not just the driver, for an FMCSA violation?
Yes, and in most cases, the carrier is the more important defendant. Carriers face liability under the doctrine of respondeat superior for driver negligence committed within the scope of employment. They also face independent claims for negligent hiring, negligent training, and negligent retention when their own failures contributed to the crash.
What if the trucking company destroys or alters records after the crash?
This is called spoliation of evidence, and Pennsylvania courts take it seriously. When a party destroys or alters evidence after being put on notice of a duty to preserve it, courts can issue sanctions, including adverse inference instructions that tell the jury to assume the missing evidence was unfavorable to the responsible party. Our litigation hold letters create that notice immediately, ensuring a clear record if the carrier fails to comply.
Federal Rules Exist for a Reason. We Hold Carriers to Them.
Kwartler Manus includes former insurance defense attorneys who spent years on the carrier's side of these cases. They know exactly how trucking companies respond when FMCSA evidence surfaces: which arguments they make, which records they try to bury, and where their defenses fall apart.
If a commercial truck has injured you or someone you love anywhere in Pennsylvania, contact Kwartler Manus today. We’re available 24/7, the consultation is free, and you pay nothing unless we win.
Disclaimer: This content is for informational purposes only and does not constitute legal advice. Reading this article does not create an attorney-client relationship. Past results do not guarantee future outcomes. If you have been injured, consult a licensed attorney regarding your specific legal situation.