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About 40,000 people die in motor vehicle accidents in the US every year, as reported by the National Highway Traffic Safety Administration. In 2024, traffic-related crashes across the country caused a total of 39,345 fatalities.

By The Editors

Thu, May 14, 2026 03:30 AM PST

Featured photo by Anthony Maw.

A blend of state traffic laws, insurance laws, and civil law principles controls car accidents in the United States. Legal definitions typically determine the fault in the incident and the available claim for damages.

The occurrence of a car accident gives rise to various rights and obligations for the parties involved, including stopping at the scene, exchanging information, filing a police report, and informing one’s insurance company.

Car accident laws dictate how automobile accidents are handled in court. Depending on the applicable laws, a driver may become accountable for all damages if it was proven that he or she did not exercise reasonable care. For example, speeding, distraction, and running a red light make the driver be at fault for an accident.

Various states assign liability depending on whether they follow comparative neglect or contributory negligence rules. These two distinct fault systems affect how blame is assigned to a party and how the compensation amount is calculated.

Let’s find out the different laws that govern car crashes and the ways one can undertake to protect their rights.

What to Do Immediately After a Crash

Following a motor vehicle accident, the first acts of the parties involved generate enduring legal impacts. Once an accident has occurred, the parties must first determine the gravity of the injury before they call for emergency medical help. Moving elsewhere to find a safe place away from traffic should be prioritized. The laws of some states require that drivers stop and exchange identification with the other driver following a reportable crash.

There are three steps to setting up the necessary facts for a future claim: photograph the site, note the witness information, and file a report with the local police department that responded to the scene. The insurance agreements employed by most insurers require policyholders to submit a copy of the incident report.

How Fault and Liability Are Determined

Identifying fault represents the most important element of vehicle accident claims. Most states use negligence as their legal standard. As a result of these standards, a driver who fails to drive defensively and responsibly stands liable for all driving accident costs.

Records such as police reports, photographs, traffic camera footage, and witness statements are concrete evidential elements that will establish fault in accidents during trial.

Some states have also employed comparative negligence systems, which would further reduce a claimant's recovery according to their proportion of fault. A driver who receives a 20 percent fault determination for a collision can only recover 80 percent of their complete damage costs. 

According to Birmingham car accident lawyer Michael Mitchell, a crash could be the fault of the product manufacturer if a part of a vehicle breaks down or malfunctions. Defective auto parts such as bad brakes and tires can lead to serious accidents.

The states of Maryland, Virginia, Alabama, and North Carolina represent a small number of jurisdictions that continue to enforce contributory negligence rules, which prevent any recovery when the claimant possesses even partial fault.

No-Fault vs. At-Fault Insurance Systems

The way a claim is handled differs for states using either the no-fault or the at-fault insurance systems. In Florida, Michigan, New York, and other states that operate the no-fault insurance system, the driver's insurance company will cover the medical expenses and lost wage claims regardless of who is at fault.

According to the Insurance Information Institute, the system aims to accelerate payment distribution but it restricts people from filing personal injury lawsuits until their injuries reach a specific severity level.

In states that determine fault for accidents, the driver who causes an accident must pay for all damages sustained by the other party. Demonstration of the defendants' neglect is necessary so negotiations with the other driver's insurer should be done first before getting any compensation.

State-Specific Rules and Filing Deadlines

Every state has established their individual rules for handling filing deadlines for car accident lawsuits. These time restrictions operate independently of the fault system. States establish distinct deadlines for personal injury claims, which typically range from one year to three years. Some jurisdictions enforce shorter deadlines and different rules apply based on claim type and government entity involvement.

The statute of limitations needs to be followed. Non-compliance will prevent an individual from filing a lawsuit. State regulations establish different damage caps, mandatory minimum insurance requirements, and uninsured motorist provisions. These elements collectively determine the results of insurance claims.

Why Documentation Is a Legal Asset

Thorough recordkeeping after an accident is one of the most practical steps a claimant can take. Medical records, hospital bills, repair estimates, and pay stubs show how much an individual has lost in terms of wages following the accident. Copies of written communications with insurers function as evidence that establishes the worth of a claim. Documentation in contested situations decides if a claimant will obtain a proper settlement or fight through difficult legal proceedings.

Key Takeaways

The determination of fault uses negligence standards, which allow for fault distribution among different parties based on comparative negligence standards. No-fault states require claimants to submit their claims to their insurance company. Meanwhile, at-fault states need evidence of the other driver's fault before claim processing can begin. 

The statute of limitations period provides different time limits for filing personal injury claims, normally stretching from somewhere between one and two years. A lawsuit filed after the statute of limitations has passed will be unfortunately dismissed. A strong case to support a claim is made by presenting comprehensive medical documentation of the accident scene, records of the first physician visit, and every subsequent medical treatment record.

This article was compiled by the editors of LACar.

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