Louisiana Failure to Obey Traffic Signals Lawyer

Why Drivers Run Red Lights and Ignore Traffic Signals in Louisiana

Louisiana law requires every driver to obey traffic control devices. La. R.S. 32:231 and La. R.S. 32:232 set out that obligation clearly. A driver who violates those statutes has done more than make a bad decision. They have broken a safety law, which creates a legal presumption of negligence under Louisiana negligence per se.

The causes of signal-running break into several categories. Distraction is first. Cell phone use, eating, conversations, and dashboard screen interactions all pull a driver's attention away from the intersection ahead. Impairment is second. Alcohol, drugs, and prescription medications all slow reaction time and impair the judgment needed to process a changing signal. Fatigue matters too. A drowsy driver entering an intersection may not register the red until it is too late. Road rage is a distinct category. Some drivers run signals deliberately, choosing speed and anger over compliance.

Louisiana enacted a hands-free driving law effective August 1, 2025. Full fines became enforceable January 1, 2026. The law prohibits holding a phone while driving and doubles fines for violations that occur in construction zones or involve a crash. This matters for your claim. If the driver who hit you was holding a phone, that violation is evidence of distracted driving layered on top of the signal violation.

The data on signal-running is consistent. The Insurance Institute for Highway Safety (IIHS) reports that red light running kills approximately 1,000 people per year nationwide. AAA research estimates at least two people die daily in the United States from crashes caused by drivers who ignored traffic signals. Intersection crashes are not random. They are caused.

Ask any attorney you are considering how they investigate signal-violation crashes. Evidence at intersections disappears fast. Surveillance footage gets overwritten. Signal timing records are not preserved automatically. An attorney who does not move immediately on these cases will find the evidence gone when they finally look. Morris & Dewett sends evidence preservation requests within 48 hours of engagement on intersection crash cases.

Types of Intersection Crashes Caused by Signal Violations

T-bone collisions, rear-end crashes, left-turn impacts, and pedestrian strikes are all common consequences of signal violations. The type of collision determines the injury pattern, the vehicle damage analysis, and the sequence of events that liability reconstruction must establish.

T-bone collisions are the most severe consequence of running a red light. One driver proceeds with a green signal; the other enters the intersection against the red. The result is a side-impact at full travel speed. Car doors provide significantly less crash protection than front and rear vehicle structures. The occupant on the struck side absorbs the full impact with minimal crush distance between them and the striking vehicle. Injury severity in angle impacts is consistently higher than in rear-end crashes at comparable speeds.

Rear-end collisions at signals happen when a driver stops for a red light and the vehicle behind fails to stop in time. These are common at high-speed approaches where following distances are short. The stopped driver did nothing wrong. The driver behind failed to maintain a safe distance. Left-turn crashes occur when a driver proceeds through a green light while a turning driver runs a yellow or red. Pedestrian and cyclist strikes at intersections are particularly serious. A person on foot or on a bicycle has no protective structure around them when struck by a signal-runner.

Multi-vehicle crashes happen when one signal-runner triggers a chain reaction. The at-fault driver strikes one vehicle, that vehicle is pushed into another. Identifying the original signal violation as the cause of all downstream impacts is essential for proper liability attribution. Crash geometry matters. Which side of your vehicle was struck, at what angle, and at what estimated speed all inform what injuries are likely and what evidence to look for.

How Do You Prove the Other Driver Ran a Red Light?

Liability in a signal-violation crash rests on proving that the other driver entered the intersection against a red light. When the at-fault driver disputes this, the case becomes an evidence contest.

Traffic camera and red light camera footage is the strongest evidence available. It is timestamped, objective, and shows the signal state at the moment of entry. Not every intersection in Louisiana has a camera, but many urban and suburban intersections do. This footage is typically overwritten within 30 to 90 days. Preserving it requires prompt action. Dashcam footage from your vehicle, from a bystander's vehicle, or from a nearby business can serve the same function.

The Louisiana Uniform Motor Vehicle Traffic Crash Report documents the officer's observations at the scene. Officer notations on point of impact, vehicle rest positions, skid mark measurements, and witness statements are all recorded here. Physical evidence is not subjective. Skid marks show where braking began relative to the intersection. The point of impact on the vehicles shows which direction each was traveling. Vehicle rest positions after impact show post-impact movement.

Signal timing records are another tool. Traffic signal phasing is programmed and recorded by city traffic engineering departments or LaDOTD. A public records request can obtain the signal timing plan for that intersection and confirm that the other driver could not have had a green when they entered. The EDR captures speed, braking, and throttle data in the seconds before impact. If the at-fault driver never braked, the EDR shows it.

Expert accident reconstruction is used when evidence conflicts or the defendant's account is inconsistent with the physical evidence. Reconstructionists analyze crush depth, vehicle kinematics, skid patterns, and sight lines to establish what actually happened.

When you talk to an attorney about a red light accident case, ask whether they have experience obtaining signal timing data through public records. Most attorneys do not pursue this evidence. It is specific, technical, and requires knowing who to ask and how. We do this routinely. Our car accident lawyers know what the evidence preservation checklist looks like for intersection crash cases.

Louisiana Laws Governing Traffic Signal Violations

Louisiana law (La. R.S. 32:231 and La. R.S. 32:232) requires every driver to obey traffic control devices, and a violation of these statutes is direct evidence of negligence in a personal injury case. Understanding the full legal framework matters for your claim.

La. R.S. 32:231 is the baseline rule: every driver must obey traffic control devices unless directed otherwise by a police officer. La. R.S. 32:232 defines what each signal color means. Green means proceed. Yellow means the signal is about to change to red. Drivers are required to prepare to stop when they can do so safely. Red means stop. Louisiana law also addresses red arrow signals specifically. A driver facing a red arrow signal is prohibited from entering the intersection until a green arrow is displayed. This matters for turning-lane crashes, which are a common pattern at signalized intersections with dedicated turn phases.

La. R.S. 32:233 covers pedestrian signals and the obligations of drivers when pedestrians are present. La. R.S. 32:393.1 governs automated red light cameras. A camera citation is a civil penalty only. It does not carry license points and is separate from the civil injury liability analysis. A driver can receive both a camera citation and be held civilly liable for injuries they caused.

When a driver violates a traffic statute and that violation causes an injury, Louisiana tort law applies the Negligence Per Se doctrine. The violation of La. R.S. 32:231 or 32:232 is direct evidence of negligence. It does not automatically resolve the entire case, but it significantly strengthens the injured party's position on liability.

La. C.C. Art. 2323 governs Comparative Fault in Louisiana. The 51% bar took effect January 1, 2026 as part of tort reform. If you are 51% or more at fault, you recover nothing. If you are 50% or less at fault, your damages are reduced proportionally. A driver who ran a red light will almost always hold the majority of fault. But insurance adjusters will look for any evidence that you were speeding, distracted, or failed to take evasive action to push your fault percentage up.

Louisiana also imposes headlight requirements under La. R.S. 32:301 and La. R.S. 32:322. Headlights are required from sunset to sunrise and during rain or low visibility. In Louisiana, where rain and fog are common, failure to use headlights in poor conditions can be raised as a concurrent negligence factor. If the at-fault driver claims they could not see the signal clearly, their visibility obligations cut both ways.

You have two years from the date of the accident to file a personal injury lawsuit in Louisiana under La. C.C. Art. 3493.11. This Prescriptive Period became effective July 1, 2024 when the legislature extended the deadline from one year. Two years sounds like enough time. It is not, for an intersection crash case. Evidence disappears in weeks. Starting your investigation early changes outcomes.

Injuries Common in Red Light and Signal Violation Crashes

Side-impact crashes at intersections produce specific injury patterns that differ from rear-end collisions. The lateral force of a T-bone impact transfers through the vehicle door and frame directly into the occupant. The door offers minimal crush distance.

Cervical spine injuries are common. The head moves laterally with the impact and then rebounds, producing hyperflexion and hyperextension in combination with rotation. Thoracic spine fractures occur when the chest wall is compressed against the seatbelt during lateral deceleration. Both injury types require MRI imaging to document. X-rays will not show soft tissue or disc injuries.

TBI is a significant risk in angle impacts. The brain is not designed to absorb rotational forces. When the head snaps laterally, the brain undergoes rotational acceleration that can cause diffuse axonal injury even without a direct blow to the skull. Symptoms of TBI are not always immediate. Headaches, cognitive fog, and emotional changes that develop in the days after a crash can indicate a brain injury that was not apparent at the scene.

Rib fractures, sternal fractures, and pelvic injuries result from seatbelt loading and door intrusion. Internal organ injuries (spleen, liver, kidney) occur when the abdominal cavity is compressed during a side impact. Lower extremity injuries happen when the door and frame intrude into the passenger compartment. These are particularly severe in narrow-vehicle collisions and in crashes involving commercial vehicles or trucks.

Soft tissue injuries require thorough documentation. An MRI is essential for establishing the severity of disc injuries, muscle tears, and ligament damage. Physicians who rely on X-ray alone will miss findings that matter for your case. When you work with Morris & Dewett, we coordinate with your treating physicians to ensure the imaging protocol captures everything relevant. If you need to see a specialist, we can help identify appropriate providers.

See our catastrophic injury lawyers page for more on brain trauma claims and spinal trauma cases.

What Compensation Does Louisiana Law Allow After a Traffic Signal Violation Crash?

Louisiana law divides compensable damages into two categories. Economic damages are calculable: past and future medical expenses, lost wages from time missed at work, Loss of Earning Capacity, property damage, and the cost of future medical care. Non-economic damages cover pain and suffering, mental anguish, loss of enjoyment of life, and Loss of Consortium.

General damages for personal injury are not subject to a dollar cap in most Louisiana automobile cases. This is unlike medical malpractice, where non-economic damages are capped. Insurance company limits, not statutory caps, are typically the practical ceiling on recovery in auto cases.

Two statutory provisions affect the recovery calculation in signal-violation cases. The first is Louisiana's No Pay No Play statute, La. R.S. 32:866. If you were uninsured at the time of the crash, you cannot recover the first $15,000 in bodily injury damages and the first $25,000 in property damage from the at-fault driver's insurer, even if the at-fault driver is 100% responsible. This is a penalty for operating a vehicle without insurance. If you were insured, it does not apply to you.

The second is UM/UIM coverage under La. R.S. 22:1295. Louisiana requires insurers to offer UM/UIM coverage. If you accepted it, your own policy provides an additional recovery layer when the at-fault driver has minimum limits or no insurance. UM/UIM can stack across multiple vehicles on the same policy. This coverage is frequently underutilized because injured people do not know it exists or do not know how to make the claim.

If the crash caused a death, the available damages expand to include wrongful death and survival action claims. See our wrongful death claims page for more on how those claims are structured under Louisiana law.

Ask any attorney you interview how they assess UM/UIM coverage at the start of a case. An attorney who does not pull your declarations page and review your own policy's limits before advising you is not giving you complete counsel. We review coverage on both sides at intake so we know the full recovery landscape before we begin.

How Insurance Companies Handle Red Light Accident Claims

Insurance adjusters are not neutral. They work for the insurance company. Their job is to pay as little as possible on claims. Understanding how they work in signal-violation cases helps you avoid the most common mistakes.

The first tactic is the liability dispute. Even when a driver was clearly cited for running a red light, the insurer may argue that the signal phasing was ambiguous, that you entered the intersection on a stale green, or that you had time to avoid the collision. They commission their own investigations. They interview their own insured. They look for any argument that shifts fault to you.

The second tactic is the recorded statement. An adjuster will call you within 24 to 48 hours of the crash asking for a recorded statement. This is not a neutral conversation. Questions are phrased to elicit answers that establish your awareness of the signal, your speed, and your reaction time. What you say becomes part of their file. Do not give a recorded statement to the other driver's insurer without speaking to an attorney first.

The third tactic is the early settlement offer. An adjuster may call with a settlement offer before you have completed medical treatment. They know that settling early, before your full injury picture is established, saves them money. Accepting an early settlement generally means signing a release that closes your claim permanently, including future treatment costs you have not yet incurred.

The comparative fault tactic is specific to signal-violation cases. Adjusters know that under La. C.C. Art. 2323, pushing your fault percentage above 50% cuts off your recovery entirely. They look for any evidence you were speeding, failed to keep a proper lookout, or had a clear opportunity to avoid the collision. This is why the evidence analysis matters. An established speed reconstruction and a confirmed signal timing sequence eliminate the arguments they rely on.

Louisiana's Direct Action Statute (La. R.S. 22:1269) allows you to sue the at-fault driver's insurer directly. You do not have to limit your lawsuit to the individual driver. This matters when the driver is judgment-proof but the insurer has policy limits that cover your losses.

Louisiana's minimum bodily injury liability coverage is $15,000 per person and $30,000 per occurrence under La. R.S. 32:900. Many serious intersection crash injuries far exceed those limits. When minimum limits are in play, UM/UIM coverage from your own policy becomes the primary recovery mechanism. If the at-fault driver carried no insurance, your claim against their insurer is zero. Your UM claim against your own insurer is still valid. Our Louisiana automobile injury lawyers evaluate both sides of the coverage picture before we advise you on strategy.

When you talk to an attorney, ask them specifically how they handle minimum-limits cases and whether they will review your own UM/UIM policy before advising you. If they do not raise UM/UIM coverage proactively, they may not be identifying your full recovery options.

Morris & Dewett: Traffic Signal Accident Cases in Louisiana

Morris & Dewett has represented Louisiana automobile injury clients for 25 years. Our attorneys hold AV Preeminent peer ratings from Martindale-Hubbell and have been recognized by Super Lawyers. We have handled more than 5,000 automobile injury cases across Louisiana. Our attorneys are admitted to the Louisiana State Bar and practice across Louisiana's state and federal courts.

Red light and signal-violation cases are not simple liability claims. They require immediate evidence preservation, signal timing analysis, and an understanding of how insurers dispute these specific fact patterns. We have done this work enough times to know where cases succeed and where they fail. If you're comparing attorneys, ask about their process for preserving intersection evidence. Ask whether they pull UM/UIM coverage early. Ask how they handle comparative fault disputes. Those answers tell you whether an attorney has actually handled these cases or is learning on yours.

We handle cases on a Contingency Fee basis. You pay nothing unless we recover for you. View our case results to see the type of cases we handle. Compare us to others. Make the decision that's right for your situation.

Frequently Asked Questions

What evidence do I need to prove a driver ran a red light?

The strongest evidence is traffic camera or red light camera footage showing the signal state when the other driver entered the intersection. If no camera was present, the Louisiana Uniform Motor Vehicle Traffic Crash Report, witness statements, physical evidence (point of impact on vehicles, skid mark positions), signal timing records from the governing traffic authority, and EDR data from the other vehicle all contribute to establishing the violation. Expert accident reconstruction is used when the physical evidence and the defendant's account conflict.

How long do I have to file a lawsuit after a red light accident in Louisiana?

Louisiana law gives you two years from the date of the accident to file a personal injury lawsuit under [La. C.C. Art. 3493.11](https://legis.la.gov/legis/Law.aspx?d=1092220), which took effect July 1, 2024. Two years is the deadline for filing in court. The investigation and evidence preservation need to begin far sooner. Surveillance footage is routinely overwritten within 30 to 90 days. Missing that window can make an otherwise strong case difficult to prove.

What if there was no traffic camera and the driver denies running the light?

The case shifts to physical evidence. Point of impact on both vehicles tells an engineer which direction each car was traveling at the time of contact. Skid mark positions show where braking started relative to the stop line. The EDR in the other vehicle records whether the driver applied brakes before impact. Signal timing records confirm the phasing sequence. Witness testimony from pedestrians, nearby drivers, or business employees fills gaps when physical evidence is ambiguous. These cases are provable. They take more investigation.

Can I still recover compensation if I was partially at fault for the crash?

Yes, if your fault is 50% or less. Louisiana's comparative fault rule under [La. C.C. Art. 2323](https://legis.la.gov/legis/Law.aspx?d=109376), as amended effective January 1, 2026, reduces your recovery by your percentage of fault. If you are found 20% at fault, you recover 80% of your damages. If you are found 51% or more at fault, you recover nothing. Insurance adjusters work to push fault above the 50% threshold. Establishing the signal violation and documenting your own lawful entry into the intersection is how that argument gets defeated.

What is the No Pay No Play rule and does it affect my claim?

Louisiana's No Pay No Play statute, La. R.S. 32:866, bars uninsured drivers from recovering the first $15,000 in bodily injury damages and the first $25,000 in property damage from the at-fault driver's insurer, even when the other driver is entirely at fault. If you were carrying valid auto insurance at the time of the crash, this restriction does not apply to you. If you were uninsured, it limits your initial recovery even though you did nothing wrong in the crash itself.

What should I do at the scene of a red light accident?

Call 911. A police report is necessary documentation for your claim. Officer observations at the scene (skid marks, point of impact, witness interviews) become evidence. Do not move vehicles until the officer tells you to. Photograph vehicle positions, visible damage, and any skid marks before the scene is disturbed. Get the other driver's insurance information and collect contact information from any witnesses. Do not give a statement to the other driver's insurance company without consulting an attorney first.

What if the at-fault driver has minimum insurance limits?

Louisiana's minimum bodily injury liability coverage is $15,000 per person under La. R.S. 32:900. Many intersection crash injuries cost far more than that in medical expenses alone. When minimum limits are in play, your own uninsured/underinsured motorist coverage becomes the primary recovery tool. Under [La. R.S. 22:1295](https://legis.la.gov/legis/Law.aspx?d=508161), Louisiana requires insurers to offer UM/UIM coverage, and it can stack across multiple vehicles on your policy. The first step when minimum limits are involved is reviewing your own declarations page to determine what UIM coverage is available.

Can I sue the insurance company directly in Louisiana?

Yes. Louisiana's direct action statute, La. R.S. 22:1269, allows you to name the at-fault driver's insurance company as a direct defendant in your lawsuit, not just their insured. You can sue both the driver and the insurer together. This matters practically when the driver cannot be located, is uncooperative, or lacks assets of their own. The insurer's policy limits remain the liability ceiling, but the insurer is a proper party defendant in the litigation.

Does Louisiana's hands-free law affect fault determination if the other driver was on their phone when they ran the light?

Yes. Louisiana's hands-free law, effective August 1, 2025, prohibits holding a phone while driving. A driver who ran a red light while holding a phone has violated two separate traffic statutes. Each violation is evidence of negligence. The hands-free violation confirms the distraction that caused the signal-running. When crash circumstances are disputed, a second statutory violation adds to the liability picture and makes it harder for the insurer to argue the driver's entry into the intersection was anything other than negligent.

These answers reflect Louisiana law as of January 2026. For case specific advice, consult with a Louisiana personal injury attorney who can evaluate your particular circumstances.