How Trucking Violations Affect Liability in a Crash

10.20.2025 | By Richard Schwartz & Associates
How Trucking Violations Affect Liability in a Crash

A trucking violation directly strengthens a claim by providing clear evidence of negligence. When a truck driver or trucking company disregards federal safety rules, their actions often establish a direct link to the cause of a crash, a critical component in establishing liability. 

The presence of a violation can shift the focus from a simple traffic incident to a case of blatant negligence.

Key Takeaways for Trucking Violations and Liability

  • A violation of a federal or state trucking regulation can serve as powerful evidence of negligence.
  • Proving a violation helps establish that the truck driver or company failed in their duty to operate safely.
  • Common violations relate to driving hours, vehicle maintenance, cargo loading, and driver qualifications.
  • Liability for a violation may extend beyond the driver to the trucking company, cargo loaders, or maintenance vendors.
  • An experienced attorney knows how to uncover evidence of violations through formal legal processes.

The Federal Rules That Govern Trucking Safety

The trucking industry operates under a strict set of federal regulations designed to protect all road users. These rules aren’t suggestions but legal requirements with significant consequences for violations. 

When a truck accident occurs, investigators examine whether the driver and the company adhered to these critical safety standards.

Federal Motor Carrier Safety Administration (FMCSA)

The Federal Motor Carrier Safety Administration (FMCSA) is the primary federal agency responsible for regulating the trucking industry. Its mission centers on preventing crashes, injuries, and fatalities involving large trucks and buses. 

The FMCSA creates and enforces a comprehensive set of regulations that cover nearly every aspect of commercial trucking. These regulations provide the legal framework for determining negligence in accident cases. 

A violation shows that a driver or company failed to meet the minimum safety standards required by law.

Commercial Driver’s License (CDL) Requirements

To operate a large commercial truck, a driver must possess a valid Commercial Driver's License (CDL). Obtaining a CDL involves specialized training and rigorous testing on vehicle handling, safety protocols, and traffic laws. 

Companies have a duty to hire, train, and retain qualified drivers who meet all federal and state licensing requirements. Hiring a driver without the proper CDL or one with a history of serious traffic offenses can constitute direct negligence on the part of the trucking company. 

Drug and Alcohol Testing Protocols

Federal regulations mandate strict drug and alcohol testing for all CDL holders. This includes pre-employment screening, random testing, post-accident testing, and reasonable suspicion testing. The rules aim to keep impaired drivers off the road.

A failed drug or alcohol test following a crash provides some of the most compelling evidence of negligence. Even if a driver passes a post-accident test, a lawyer may investigate the company’s overall testing program.

Common Trucking Violations That Establish Negligence

Certain violations are frequently linked to serious truck accidents. An attorney investigating a crash looks for these specific breaches of safety rules. 

Here are some of the most common violations that establish negligence:

  • Hours of Service Violations: The FMCSA enforces strict Hours of Service (HOS) rules to combat driver fatigue. When drivers violate these regulations, their reaction times slow and their judgment becomes impaired, increasing the risk of a crash. 
  • Improper Vehicle Maintenance: Commercial trucks require regular maintenance to remain safe, and federal regulations mandate that companies conduct thorough inspections on critical components, such as brakes and tires. Accidents caused by mechanical failures often stem from negligent maintenance practices and a failure to keep vehicles in good working order. 
  • Overloading and Unsecured Cargo: The FMCSA sets specific rules for cargo weight limits and securement because an overloaded or improperly balanced truck is harder to control. Cargo that shifts or falls from a vehicle can cause devastating multi-vehicle accidents. 

Linking a Trucking Violation Directly to Your Accident

Proving a trucking violation occurred is just the first step: To build a claim successfully, your attorney must show a direct connection between that violation and the accident that caused your injuries. 

This process relies on legal principles, thorough evidence collection, and, in some cases, the testimony of experts.

Negligence Per Se

In many states, including Mississippi, a legal doctrine called negligence per se can simplify the process of proving fault. This doctrine states that an act is considered negligent simply because it violates a statute or regulation. 

To apply negligence per se, a lawyer must demonstrate four things:

  1. The Violation: The defendant (the truck driver or company) violated a safety regulation.
  2. Proximate Cause: The violation directly caused the injury or death.
  3. Preventing Harm: The injury was the type of harm the regulation was designed to prevent.
  4. Protected Class: The injured person was part of the class of people the regulation was designed to protect.

Since trucking regulations are designed to prevent accidents and protect the public, a violation that causes a crash often meets the criteria for negligence per se. This can make establishing liability much more straightforward.

Collecting Evidence of a Violation

A skilled Mississippi truck accident lawyer uses the legal process to gather critical evidence that isn’t publicly available. This proactive approach helps link trucking violations to liability for a specific case. 

Your attorney may use several tools, including:

  • Spoliation Letters: These are formal demands sent to the trucking company to preserve all relevant evidence, including logbooks, maintenance records, and electronic data.
  • Subpoenas: Legal orders can compel the company, driver, or third parties to produce documents and records.
  • Depositions: An attorney can question drivers, company safety directors, and other relevant parties under oath.
  • Inspections: A lawyer may arrange for an independent mechanical inspection of the truck involved in the crash.

The Role of Expert Witnesses

Truck accident cases often involve complex technical issues. An attorney may work with a team of expert witnesses to analyze evidence and explain its significance. This team can help pinpoint liability by demonstrating how a violation contributed to the crash.

Common experts in these cases include:

  • Accident Reconstructionists: These professionals use physical evidence, vehicle data, and physics to create a scientific model of how the crash occurred.
  • Mechanical Experts: They can inspect the truck’s components to determine if a mechanical failure from poor maintenance contributed to the accident.
  • Trucking Industry Experts: These experts can testify about standard industry safety practices and whether the trucking company’s conduct fell below the required standard of care.

Who’s Liable When Trucking Violations Lead to an Accident?

One of the complexities of a commercial truck accident case is identifying all the potentially liable parties. The responsibility for a single violation often extends beyond the driver. A thorough investigation explores the actions and failures of everyone in the chain of command.

Three primary groups may face liability:

  • The Driver: The truck driver is directly responsible for their actions behind the wheel. If they were speeding, driving while fatigued, or distracted, they bear personal liability for the harm they cause.
  • The Trucking Company: Employers are generally responsible for the negligent acts of their employees. Additionally, a trucking company can be held directly liable for its own negligence, such as failing to properly train drivers, neglecting vehicle maintenance, or encouraging drivers to violate HOS rules.
  • Cargo Loaders and Shippers: The company that loads cargo onto the truck can be liable if the load is improperly secured, imbalanced, or exceeds legal weight limits. 
  • Third-Party Maintenance Facilities: A separate maintenance or repair shop that performed faulty work on the truck may share in the liability for a crash if a critical component, such as the brakes or steering system, fails due to a negligent repair. 
  • Vehicle or Component Manufacturers: If a design flaw or manufacturing defect in a critical component, like tires, brakes, or the steering mechanism, causes a mechanical failure, the manufacturer can be held responsible.

Other Ways Violations Can Affect Claim Value

Discovering a trucking violation does more than just help establish who’s at fault. It can also significantly impact the financial recovery you may receive. The nature and severity of the violation often influence how insurance companies and juries perceive the case.

Demonstrating Reckless Disregard

Proof of a company's deliberate disregard for safety, like pressuring drivers to falsify logs, strengthens your claim and may increase your settlement value. This motivates insurers to make a fair offer to avoid a jury hearing about willful safety failures.

Creating Potential for Punitive Damages

Mississippi law allows punitive damages for extreme or intentional misconduct. Unlike compensatory awards, punitive damages can be awarded if a company exhibits gross negligence, such as hiring a driver with multiple DUIs.

Countering Common Defense Tactics

Evidence of safety violations by trucking companies makes it harder to shift blame and reduce their financial responsibility. It’s much more difficult for an insurer to argue you were at fault when their driver violated federal law.

How a Personal Injury Lawyer Builds Your Truck Accident Claim

A truck accident attorney does more than file paperwork. They launch an independent investigation focused on uncovering safety violations and connecting them to your crash. 

An experienced lawyer provides critical support in many ways, including:

  • Immediate Evidence Preservation: Your lawyer will quickly send a spoliation letter to the trucking company, legally requiring them to preserve the truck's black box data, the driver's electronic logs, maintenance records, and driver qualification files.
  • In-Depth Investigations: Your legal team will analyze the driver's logbooks for any signs of HOS violations or falsification, subpoena the trucking company for maintenance and inspection records, and investigate the driver's history and qualifications.
  • Expert Collaboration: Law firms can hire and work with top experts, such as accident reconstructionists and mechanical engineers, to analyze crash evidence and provide authoritative opinions on how a violation contributed to the accident.
  • Communication Management: Your attorney will handle all communications with the trucking company and their insurance adjusters, protecting you from aggressive tactics and ensuring your rights are upheld.
  • Maximizing Your Recovery: By building a case based on solid evidence of safety violations, your lawyer can best position you to receive compensation for your medical expenses, lost income, and pain and suffering.

FAQ for How Do Trucking Violations Affect Liability?

Photo of truck violation

What Are the Most Common FMCSA Violations That Cause Accidents?

Some of the most frequent violations linked to crashes include breaches of Hours of Service rules, leading to driver fatigue, improper vehicle maintenance causing mechanical failures such as faulty brakes, and issues with cargo, including overloading or improper securement. 

How Does a Mississippi Truck Accident Lawyer Prove a Driver Was Fatigued?

An attorney proves fatigue by obtaining and analyzing the driver's electronic logging device (ELD) data, also known as the driver's logs. This data shows exactly how long the driver was on duty and behind the wheel. 

Your lawyer will also subpoena other records, such as fuel receipts, toll records, and delivery schedules, to cross-reference with the logs and expose any falsifications.

Can I Still Have a Case if the Police Report Doesn’t Mention a Trucking Violation?

Yes, you absolutely can still have a strong case even if the responding officer didn’t note any violations. Police reports are often preliminary and may not capture the full scope of a complex truck accident. 

Law enforcement officers at the scene typically don't have the time or resources to conduct the in-depth investigation needed to uncover violations related to maintenance records or Hours of Service regulations, which an attorney may discover later.

Can an Attorney Prove a Trucking Company Knew About a Violation and Did Nothing To Fix It?

An attorney can uncover evidence of a company's knowledge through the legal discovery process. This involves demanding internal documents such as driver communication records, maintenance requests that were ignored, and internal safety audits. 

Depositions of safety managers and other employees, taken under oath, can also reveal what and when the company knew about the violation, establishing a pattern of negligence.

What if the Trucking Company Tries To Hide Evidence of a Violation?

Trucking companies are legally required to preserve evidence once they’re notified of a potential claim or lawsuit. If a company intentionally destroys or hides evidence like logbooks or maintenance records after receiving a spoliation letter from your attorney, it can face severe legal sanctions from the court. 

This act of spoliation can also be presented to a jury as evidence of the company’s guilt.

Evidence Is Your Foundation

In the aftermath of a truck accident, the path to recovery can seem unclear. Objective evidence forms the foundation of a successful claim: Your case gains its strength from the official logbooks, the maintenance records, the electronic data, and the expert analysis.

At Richard Schwartz & Associates, our work focuses on establishing a foundation of evidence for you. We know what to look for and how to get it. If you've been injured and believe a trucking violation was the cause, let us help you find the answers you need. Call Richard Schwartz & Associates today at (601) 988-8888 for a free consultation.