Who Is at Fault for a T-Bone Accident?

February 2, 2026 | By Frankl Kominsky Injury Lawyers
Who Is at Fault for a T-Bone Accident?

After a jarring T-bone accident—where one car hits the side of another—figuring out who is at fault is one of the first questions that comes to mind. While the driver who failed to yield the right-of-way is usually responsible, it's not always that straightforward. Other factors can complicate the situation, and understanding how fault is determined under Florida law is crucial for anyone seeking compensation

Key Takeaways about Fault in a T-Bone Accident

  • Determining who is at fault for a T-bone accident typically centers on which driver violated right-of-way laws, such as running a red light or a stop sign.
  • Evidence like police reports, witness statements, traffic camera footage, and photographs of the scene are crucial for proving liability.
  • Florida's comparative fault system can affect the amount of compensation a person can recover if they are found to be partially responsible for the collision.
  • More than one party can be held liable, including a third driver, a government entity for a malfunctioning traffic signal, or a vehicle manufacturer.
  • The specific circumstances of the crash, such as driver distraction, speeding, or driving under the influence, play a significant role in the fault determination process.

Understanding How T-Bone Accidents Happen

A T-bone accident occurs when the front of one vehicle collides with the side of another. These crashes most frequently happen at intersections, in parking lots, or any place where paths of travel cross. Because the side of a vehicle offers very little protection compared to the front or rear, the individuals seated on the side of impact often sustain significant injuries.

The force of the impact can be immense, leading to a range of consequences from minor dents to catastrophic damage and life-altering physical harm. The direction and speed of both vehicles, the type of cars involved, and the point of impact all influence the severity of the crash.

Common Scenarios That Lead to T-Bone Collisions

Florida T-bone accident aftermath showing side-impact damage to a vehicle at an intersection.

Figuring out who is at fault for a T-bone accident often starts with identifying the specific action that led to the crash. Most side-impact collisions are caused by a driver's error or a clear violation of traffic laws.

Here are some of the most common causes:

  • Running a Red Light or Stop Sign: This is perhaps the most frequent cause. A driver who proceeds through a controlled intersection without the legal right to do so often crashes into a vehicle that has the green light or a clear right-of-way.
  • Failure to Yield on a Left Turn: A driver making a left turn at an intersection must yield to oncoming traffic. If they turn in front of an approaching vehicle and cause a collision, they are typically found to be at fault.
  • Distracted Driving: A driver who is texting, talking on the phone, or otherwise not paying attention may miss a stop sign or red light, leading directly to a T-bone crash.
  • Driving Under the Influence (DUI): Alcohol or drugs impair a driver's judgment, reaction time, and ability to obey traffic signals, making side-impact collisions more likely.
  • Speeding: A driver who is speeding has less time to react to changing traffic signals or other vehicles. Excessive speed can also turn a minor collision into a much more serious one.

These driver errors highlight how a single poor decision can lead to a very dangerous situation for everyone on the road.

How Florida Law Determines Who Is at Fault for a T-Bone Accident

Injured driver with arm in cast using a phone after a Florida T-bone accident, highlighting fault and injury concerns.

In Florida, determining legal responsibility for a car crash is based on the legal concept of negligence. In simple terms, negligence means that someone acted carelessly, and their carelessness caused harm to another person.

To establish that another driver was negligent and therefore at fault, you generally need to show four things:

  1. Duty of Care: Every driver has a duty to operate their vehicle safely and follow traffic laws to avoid harming others.
  2. Breach of Duty: The driver violated this duty. For example, they ran a red light, which is a breach of their duty to obey traffic signals.
  3. Causation: The driver's breach of duty directly caused the T-bone accident and your injuries.
  4. Damages: You suffered measurable harm, such as medical bills, lost wages, and pain and suffering, because of the injuries.

Proving these elements is the key to holding the responsible driver accountable for the harm they caused.

Florida’s Comparative Fault Rule

Sometimes, an insurance company or the other driver might argue that you were also partly to blame for the crash. In Florida, this doesn't automatically prevent you from recovering compensation. Our state follows a modified comparative fault rule.

This law means that if you are found to be partially at fault, your potential compensation will be reduced by your percentage of fault. For example, if you are found to be 20% at fault for the accident, you can still recover 80% of your damages. However, there is an important limit: if you are found to be more than 50% responsible for the incident, you cannot recover any compensation from the other party.

Understanding this rule is important, as insurance adjusters may try to shift as much blame as possible onto you to reduce or deny their payout.

See how a recent Florida appellate decision could directly affect fault, liability, and the compensation you may recover after a car accident.

Gathering Strong Evidence to Prove Fault

A strong claim depends on strong evidence. After a T-bone accident, collecting and preserving evidence is a critical step in establishing who was at fault. While you focus on your recovery, it is helpful to know what types of proof are used to build a case.

  • Official Police Report: The report filed by the responding law enforcement officer will contain details about the accident, diagrams of the scene, statements from drivers, and the officer’s initial assessment of what happened.
  • Photos and Videos: Pictures of the vehicle damage, skid marks on the road, traffic signals, and your injuries can provide powerful visual proof of how the crash occurred and the impact it had.
  • Witness Statements: Independent witnesses who saw the accident can offer an unbiased account of events. Their testimony can confirm who had the right-of-way and what each driver was doing just before the collision.
  • Traffic and Security Camera Footage: Many intersections in cities like Boynton Beach and Pompano Beach have traffic cameras. Nearby businesses may also have security cameras that captured the crash. This footage can provide indisputable evidence of fault.
  • Vehicle "Black Box" Data: Modern cars are equipped with event data recorders (EDRs) that capture information like speed, braking, and steering just moments before a collision.

This evidence helps piece together the sequence of events and counter any incorrect claims made by the other driver or their insurance company.

When a Third Party Is at Fault for a T-Bone Accident

While driver error is the most common reason for side-impact collisions, it's not the only one. Sometimes, a person or entity that wasn't even in one of the cars can be held responsible. This adds another layer to determining who is at fault for a T-bone accident.

Possible third parties who could be liable include:

  • A Government Entity: If a traffic light malfunctions or a stop sign is obscured by overgrown trees, the city or county responsible for maintaining them could be held partially or fully liable.
  • A Vehicle Manufacturer: If a vehicle's brakes failed or another critical part malfunctioned due to a design or manufacturing defect, the car company could be responsible.
  • An Employer: If one of the drivers was on the job, such as a delivery driver or truck driver, their employer could be held liable for their employee’s negligent actions.
  • Another Driver: A third driver could have caused the accident, for example, by cutting someone off and forcing them to swerve into the path of another car, leading to the T-bone collision.

Investigating these possibilities is important to ensure all responsible parties are held accountable for their role in causing your injuries.

The Role of Traffic Laws in a T-Bone Accident Case

Florida’s traffic laws are the foundation for determining fault. These laws, found in Chapter 316 of the Florida Statutes, clearly define the rules of the road, including right-of-way. For example, it states that a driver approaching a stop sign must stop and yield the right-of-way to any vehicle that has entered the intersection or is approaching so closely as to constitute an immediate hazard.

When a driver violates a traffic law and that violation leads to an accident, it is often considered negligence per se. This is a legal principle that means the act is considered negligent on its face because it broke a safety law. Proving that the other driver broke a specific traffic law can be a very direct way to establish their fault in a T-bone accident claim.

FAQs for Who Is at Fault for a T-Bone Accident?

Here are answers to some common questions that come up when trying to figure out who is responsible for a side-impact collision.

What if the other driver lies about what happened?

It is not uncommon for a driver who caused a crash to deny responsibility. This is why gathering objective evidence is so important. Physical evidence like vehicle damage, skid marks, and traffic camera footage cannot be disputed and often tells the true story of what occurred, regardless of what the other driver claims.

How is fault determined if there were no witnesses?

In a crash without independent witnesses, the determination of fault relies heavily on physical evidence and the statements of the drivers involved. An accident reconstructionist may be able to analyze the vehicle damage, debris field, and final resting positions of the cars to scientifically determine factors like speed and angle of impact, which can help establish fault.

Does the police report decide who is at fault?

A police report is a very persuasive piece of evidence, but it is not the final word on who is legally at fault. The officer's opinion on fault is based on their initial investigation at the scene. While insurance companies give it significant weight, a court may come to a different conclusion after reviewing all the evidence presented in a case.

What if my T-bone accident happened in a private parking lot?

The same principles of negligence apply to accidents on private property, like the parking lot of a shopping center in Port St. Lucie. Drivers still have a duty to drive safely and yield the right-of-way. However, police may not file a formal report for accidents on private property, making it even more important to take your own photos and get contact information from any witnesses.

How long do I have to file a claim after a T-bone accident in Florida?

Florida has a strict time limit, known as the statute of limitations, for filing a personal injury lawsuit. For most car accident cases, you must file your claim within two years of the date of the crash. If you miss this deadline, you will likely lose your right to seek compensation in court.

What should I do if my injuries from the T-bone accident didn't appear until days later?

It is very common for injuries from a car accident, especially whiplash or internal injuries, to not be immediately apparent. Adrenaline from the crash can mask pain and other symptoms. The most important step is to seek a thorough medical evaluation as soon as you notice any pain, discomfort, or other symptoms, no matter how minor they seem. This creates an official medical record that connects your physical condition to the accident, which is a crucial piece of evidence for demonstrating the full extent of your damages in a personal injury claim.

Discuss Your Case with a South Florida Car Accident Attorney

Trying to determine fault after a serious T-bone accident can be a complex and stressful process, especially when you are also trying to recover from your injuries. You don't have to handle it by yourself. The attorneys at Frankl Kominsky Injury Lawyers are committed to helping people in South Florida seek the accountability and compensation they need to move forward.

Our team has the resources and dedication to investigate your crash, gather the necessary evidence, and build a strong case on your behalf. We represent clients in Boynton Beach, Pompano Beach, Port St. Lucie, and throughout the region. We speak Spanish and Creole. For a free, no-obligation consultation to discuss your situation, contact us today.

Legally Reviewed By: Steven L. Frankl

Steven L. Frankl represents clients in cases of catastrophic injury, wrongful death, motor vehicle accidents, trucking accidents, medical malpractice, and product liability, as well as slip/trip fall accidents and nursing home neglect. Mr. Frankl’s practice is built on the pursuit of justice and fair compensation for his clients.

avvo-superb-rating
naopialogo
ntl-top-40-flat-badge
mdaf
mmdaf-1
super-lawyers
Name(Required)
Accept SMS from Frankl Kominsky injury Lawyers(Required)
Please do not include any confidential or sensitive information in this form. This form sends information by non-encrypted e-mail which is not secure. Submitting this form does not create an attorney-client relationship.