Can I Sue for Injuries After a Jackknife Truck Accident?
- 10 hours ago
- 19 min read
Last Reviewed: March 24, 2026
Publisher: PI Law News
Author: Peter Geisheker
Legal Disclaimer: This article is for informational purposes only and does not constitute legal or medical advice. Laws, statutes of limitations, and liability rules vary significantly by state. Consult a licensed personal injury attorney and a qualified medical professional for advice specific to your situation.
If you were injured when a semi-truck lost control and its trailer swept across the highway, you are likely asking one question above all others: Can you sue?
The answer, in most cases, is yes. Victims injured in a jackknife truck accident generally have the right to pursue a personal injury claim — and in some cases, claims against multiple defendants. But the path to compensation requires proving exactly who was negligent, gathering evidence that disappears quickly, and filing within the legal deadlines that apply in your state.
Dealing with serious injuries while insurance adjusters begin building their case against you is overwhelming. You are not alone in feeling that way — and you do not have to navigate this process without help.
According to the FMCSA's Large Truck and Bus Crash Facts 2021 report, jackknife incidents were a factor in 142 fatal large truck crashes in 2021 — approximately 2.4% of all fatal large truck crashes that year. Occupants of smaller vehicles bear the overwhelming majority of the consequences: the same report found that people in passenger vehicles accounted for approximately 73% of all fatalities in crashes involving large trucks.
This guide explains who can be held legally responsible after a jackknife truck accident, how to prove negligence, what compensation you may recover, and what steps to take right now to protect your rights.
Get a free case evaluation from a commercial truck accident injury attorney — no obligation, no upfront cost.
Key Takeaways
Yes, you can sue. Victims injured in a jackknife truck accident generally have the legal right to pursue a personal injury claim against one or more negligent parties.
Multiple defendants may be liable, including the truck driver, the trucking company, a maintenance provider, a cargo loading company, or even a government entity — depending on the cause of the crash.
Negligence must be proven across four elements: duty of care, breach of duty, causation, and damages.
Federal safety rules apply. Hours-of-service regulations under 49 CFR Part 395 limit how long commercial truck drivers may operate — violations are powerful evidence of negligence.
According to the FMCSA's 2021 Large Truck and Bus Crash Facts report, jackknife incidents contributed to 142 fatal crashes in 2021 — 2.4% of all fatal large truck crashes that year.
Evidence disappears fast. ELD logs and black box data can be overwritten within days — contact an attorney immediately.
Legal deadlines vary by state. Personal injury statutes of limitations commonly range from one to three years; government claims may require notice within 60 to 180 days. Verify your deadline with a commercial truck accident lawyer.
Most truck accident attorneys work on contingency — no fees unless they recover compensation for you.
Can I sue for injuries after a jackknife truck accident?
Yes. If you were injured in a jackknife truck accident caused by someone else's negligence, you generally have the legal right to sue. Potentially liable parties include the truck driver, the trucking company, maintenance providers, cargo loading companies, or a defective parts manufacturer. To succeed, you must prove four elements of negligence: duty of care, breach of duty, causation, and damages. Statutes of limitations vary by state — consult a truck accident injury attorney promptly to protect your rights.
Table of Contents
This Article Answers the Following Commonly Asked Questions
Can I sue for injuries after a jackknife truck accident?
Who is liable in a jackknife truck accident?
How do I prove negligence after a jackknife accident?
What injuries are common in jackknife truck crashes?
What compensation can I recover after a jackknife accident?
How long do I have to file a lawsuit after a truck accident?
Do I need a lawyer for a jackknife truck accident claim?
What should I do immediately after a jackknife truck accident?
What Is a Jackknife Truck Accident?
A jackknife accident occurs when a large commercial truck's trailer swings outward from behind the cab, causing the vehicle combination to fold into a sharp V-shape or L-shape — resembling the blade of a folding pocketknife snapping open. When this happens, the driver typically loses full or partial control of the rig.
The danger compounds rapidly. The swinging trailer can sweep across multiple lanes of traffic, and vehicles following behind have only seconds to react. Cars can be crushed, pushed into barriers, or trapped beneath the trailer. A single jackknife event can trigger a chain-reaction pileup involving many vehicles.
The physics are unforgiving. Under federal law (49 CFR § 127.7), a loaded commercial truck may weigh up to 80,000 pounds. When that mass moves at highway speeds and loses directional control, the force generated is extreme. Smaller passenger vehicles have virtually no structural defense against it.
Common contributing causes include:
Sudden or improper braking — especially at high speed or on curves
Excessive speed, particularly when navigating a turn
Slippery road conditions — ice, rain, snow, or wet pavement, reducing traction
Equipment failure — worn brakes, bald tires, or a faulty fifth-wheel coupling
Improper cargo loading — freight that shifts during transport and destabilizes the trailer
Driver fatigue or inattention, including violations of federal hours-of-service limits
How Common Are Jackknife Accidents?
By the Numbers: According to the FMCSA's Large Truck and Bus Crash Facts 2021, jackknife incidents were a factor in 142 fatal large truck crashes in 2021 — representing 2.4% of all fatal large truck crashes that year, with the underlying data drawn from the Fatality Analysis Reporting System (FARS).
The same 2021 FMCSA report documented 5,788 total fatalities in crashes involving large trucks, with approximately 73% of those fatalities occurring among occupants of passenger vehicles — not the truck driver. Smaller vehicles bear a disproportionate share of the harm. Learn more about truck accident wrongful death cases.
You can explore current FMCSA crash data, updated with new snapshots as they become available, through the FMCSA Analysis & Information (A&I) Crash Statistics portal.
The FMCSA and NHTSA also conducted the landmark Large Truck Crash Causation Study (LTCCS), a detailed investigation of nearly 1,000 fatal and injury truck crashes from 2001 to 2003. That study identified jackknife as a vehicle-related contributing factor in serious crashes, alongside brake problems, tire failures, and cargo shift. The FMCSA has since launched the Crash Causal Factors Program (CCFP) to build on that research with updated data.
These statistics underscore why the law imposes strict safety obligations on commercial truck operators and the companies that employ them.
Who Can You Sue After a Jackknife Truck Accident?
One of the most important things to understand about jackknife truck accident lawsuits is that more than one party may be legally responsible. A thorough investigation is essential to identify all liable defendants — because each additional responsible party typically carries separate insurance coverage, which can expand the total compensation available to you.
The Truck Driver
The driver is often the first and most obvious defendant. Negligent behaviors that contribute to jackknife crashes include:
Speeding, especially in wet or icy conditions
Hard, sudden, or improper braking
Tailgating with insufficient following distance
Driving while fatigued or in violation of hours-of-service regulations
Distracted driving
The Trucking Company
Trucking companies can be held liable on multiple independent grounds. Under the legal doctrine of respondeat superior, a company is generally responsible for the negligent acts of employees performed within the scope of their employment. Beyond that, trucking companies also face independent liability for:
Negligent hiring — failing to screen drivers for unsafe driving records or inadequate training
Negligent supervision and retention — failing to monitor driver conduct or remove unsafe drivers
Failure to maintain vehicles — skipping required brake, tire, and coupling inspections
Pressuring drivers to violate federal hours-of-service limits to meet delivery schedules
Maintenance Providers
If a third-party repair shop or fleet maintenance company performed substandard brake repairs, installed the wrong parts, or certified a truck as road-ready when it had known defects, that company may share liability.
Cargo Loading Companies
Improperly loaded or unsecured freight can shift during transport and destabilize a trailer. Federal cargo securement standards under 49 CFR Part 393, Subpart I specify how cargo must be secured. If a third-party loading company failed to comply, it may be a liable defendant.
Vehicle or Parts Manufacturers
When a defect in the braking system, tires, or coupling equipment caused or contributed to the jackknife, the manufacturer of the defective component may be liable under product liability law — independent of any driver or company negligence.
Government Entities
Poorly maintained roads, inadequate warning signs, dangerous curves without proper signage, or failure to treat icy surfaces can all contribute to a jackknife crash. Local, state, or federal government entities may share liability in such cases. Claims against government bodies typically carry special procedural requirements and shorter notice deadlines — sometimes as little as 60 to 180 days from the accident. Verify the requirements for your state through your state legislature's official website.
Did You Know? Federal cargo securement rules under 49 CFR Part 393, Subpart I require specific tie-down methods, minimum working load limits, and blocking or bracing to prevent cargo from shifting. Violations of these standards can serve as direct evidence of negligence.
Speak with a personal injury attorney to get a free evaluation of who may be liable in your case.
How Do You Prove Negligence in a Jackknife Case?
To succeed in a personal injury lawsuit stemming from a jackknife truck accident, you must prove four legal elements of negligence:
Element | What You Must Show |
Duty of Care | The defendant had a legal obligation to act safely. Commercial truck drivers and trucking companies carry a heightened duty of care given the danger these vehicles pose. |
Breach of Duty | The defendant failed to meet that obligation by speeding, skipping maintenance, falsifying logs, or violating federal safety regulations. |
Causation | The defendant's breach directly caused the crash and your injuries. |
Damages | You suffered actual, compensable losses — medical bills, lost wages, pain and suffering. |
Evidence used to prove these elements typically includes:
Police accident reports — often document traffic violations and initial findings
Electronic Logging Device (ELD) data — records actual driving time per 49 CFR Part 395
Black box / Event Data Recorder (EDR) data — captures pre-crash speed, braking, and steering inputs
Truck inspection and maintenance records — reveal whether known defects were ignored
Driver qualification files — required under 49 CFR Part 391
Drug and alcohol test results — required post-accident under 49 CFR Part 382
Cargo loading and weight manifests
Witness statements from other drivers, passengers, and bystanders
Photographs and video from the scene, traffic cameras, or dashcams
Expert witness testimony — accident reconstructionists, trucking safety experts, medical professionals
⚠ Critical Warning: ELD logs and black box data can be automatically overwritten within days to weeks after a crash. An attorney can issue an immediate legal evidence preservation letter demanding the trucking company retain all records. Do not wait.
Medical Evidence: Injuries Caused by Jackknife Crashes
The force generated when a large commercial truck loses control is extreme. Jackknife crashes frequently produce severe, life-altering injuries — all of which can form the legal basis for significant compensation.
Medical Fact: According to the National Institute of Neurological Disorders and Stroke (NINDS), a traumatic brain injury can result from a forceful bump, blow, or jolt to the head or body without any penetrating object — and can range from mild concussion to severe, permanent disability affecting how a person thinks, moves, communicates, and acts. Vehicle-related crashes are among the leading causes of TBI.
TBIs can result from the violent deceleration forces in a truck crash, even without a direct blow to the head. As the NINDS notes, TBIs can produce long-term effects on cognitive function, memory, emotional regulation, and physical ability. Severe TBIs may require extensive rehabilitation and produce permanent disability.
The sudden twisting and compression forces in a jackknife collision can cause herniated discs, vertebral fractures, or spinal cord damage. The NINDS describes spinal cord injuries as among the most devastating consequences of traumatic events, potentially resulting in partial or complete paralysis with lifelong care needs.
Broken Bones
Impact from a jackknifing trailer can fracture bones throughout the body — arms, legs, ribs, pelvis, and facial bones. Complex fractures may require surgery and extended recovery.
Internal Injuries
Severe collisions can cause internal bleeding or damage to vital organs — the liver, lungs, spleen, or kidneys. These injuries are potentially life-threatening and may not produce obvious external symptoms immediately after the crash.
Whiplash and Soft Tissue Injuries
Even with a seatbelt, the violent motion of impact can cause cervical strain, muscle tears, and ligament damage — particularly in the neck and back — that can produce chronic pain lasting long after the accident.
Lacerations and Burns
Shattered glass, metal debris, and fuel-related fires can cause deep lacerations requiring surgical repair and burn injuries that may require skin grafting and leave permanent scarring.
Seeking immediate medical attention is critical — both for your health and for your legal claim. Medical records created in the hours and days after a crash are among the most important evidence linking your injuries to the accident. Some injuries, including internal bleeding and TBI, may not produce obvious symptoms immediately.
What Compensation Can You Recover?
If you were injured in a jackknife truck accident caused by someone else's negligence, you may be entitled to recover both economic damages and non-economic damages. In cases involving especially reckless conduct, punitive damages may also be available.
Economic Damages
Quantifiable financial losses directly caused by the accident, including:
Medical expenses — emergency treatment, hospitalization, surgery, imaging, physical therapy, medications, and future medical care
Lost wages — income lost while recovering
Lost earning capacity — if injuries permanently reduce your ability to work
Out-of-pocket costs — transportation, home modifications, assistive devices
Non-Economic Damages
Compensation for real losses without a fixed dollar value, including:
Physical pain and suffering
Emotional distress and mental anguish — anxiety, depression, PTSD
Loss of enjoyment of life — inability to engage in activities and relationships you enjoyed before the crash
Loss of consortium — impact on your relationship with your spouse or family
Punitive Damages
In cases involving especially reckless or willful conduct — such as a driver operating under the influence, a company that knowingly falsified safety records, or a carrier that systematically pressured drivers to violate hours-of-service limits — courts may award punitive damages intended to punish the defendant and deter similar conduct.
Important: The actual value of any jackknife truck accident claim depends on injury severity, total medical costs, lost income, the strength of liability evidence, and the specific laws of your state. Settlement amounts vary significantly by case. Your attorney can provide a case-specific assessment — not a generic estimate.
But medical expenses are only part of the picture. Lost earning capacity, future care costs, and non-economic damages often represent the largest components of a truck accident claim. Here is what to expect in the process of pursuing that compensation.
Contact us for a free consultation to understand what your specific case may be worth.
The Legal Process: What to Expect After a Jackknife Accident
Understanding the typical steps and timeline in a truck accident claim helps you make informed decisions and avoid costly mistakes.
Immediate aftermath (Day 1 – Week 1): Seek medical treatment. Preserve evidence from the scene. Contact a personal injury attorney. Your attorney issues an evidence preservation letter to the trucking company.
Investigation and evidence gathering (Weeks 2–8): Your attorney requests ELD data, black box records, driver qualification files, maintenance logs, and the trucking company's safety records. Independent experts may be retained to inspect the vehicle or reconstruct the crash.
Medical treatment through maximum medical improvement (MMI) (Weeks to months): Claims are typically not resolved until you reach MMI — the point at which your condition has stabilized enough to accurately calculate total damages, including future care costs. Settling before MMI often means undervaluing your claim.
Demand letter and initial negotiations (Weeks to months after MMI): Your attorney prepares a formal demand letter outlining liability and damages and begins negotiations with the insurer.
Settlement or litigation (Months to years): Many truck accident cases settle before trial. Complex cases involving disputed liability or catastrophic injuries may proceed to litigation.
Resolution: A negotiated settlement is the most common outcome. If no fair settlement is reached, your attorney takes the case to trial.
What slows the process: Disputed liability among multiple defendants, delays in obtaining trucking company records, severity of injuries requiring extended treatment, and insurers that delay or undervalue claims.
What accelerates resolution: Strong upfront evidence, a clear and well-documented medical record, and an attorney experienced in commercial truck accident claims who applies early, consistent pressure on insurers.
What to Do Immediately After a Jackknife Accident
Your actions in the immediate aftermath directly affect both your health and your legal rights.
Get to safety. Move away from the wreck if you can safely do so — jackknife scenes carry serious secondary crash risk.
Call 911. Report the accident and request emergency medical assistance.
Seek medical attention immediately. Even if you feel uninjured, get evaluated. Adrenaline masks pain, and injuries, including internal bleeding and TBI can develop without obvious early symptoms. Medical records from immediately after the crash are critical evidence.
Document the scene. If safe to do so, photograph vehicle positions, skid marks, road conditions, and any visible injuries. Note the truck's DOT number, company name, and license plate.
Collect witness information. Get names and contact details from anyone who witnessed the crash.
File a police report and request a copy.
Do not speak to the trucking company's insurance adjusters alone. Insurers begin working to minimize payouts from the moment of the crash. Do not give a recorded statement without legal representation.
Contact a truck accident lawyer as soon as possible. Evidence preservation is time-critical. The sooner an attorney is involved, the better the chance of securing ELD data, black box records, and other evidence before it is lost or overwritten.
How Federal Trucking Regulations Affect Your Case
One of the most powerful tools in a jackknife injury lawsuit is the body of federal safety regulations that govern commercial trucking. Evidence that a driver or company violated these rules can help establish negligence — and in some cases may support negligence per se, where the violation itself establishes breach of duty.
Hours-of-Service Regulations (49 CFR Part 395)
The FMCSA's Hours of Service regulations, codified at 49 CFR Part 395, set strict limits on how long commercial truck drivers may drive. For property-carrying drivers:
Maximum of 11 hours of driving after 10 consecutive hours off duty
No driving after the 14th hour following the start of the on-duty period
A 30-minute rest break is required after 8 cumulative hours of driving
Weekly limits of 60 hours over 7 days or 70 hours over 8 days
All drivers subject to HOS rules must maintain accurate Records of Duty Status via an Electronic Logging Device (ELD). When ELD records show a driver exceeded legal limits at the time of the crash, that data becomes potent evidence of negligence.
Driver Qualification Rules (49 CFR Part 391)
Trucking companies must maintain qualification files on every driver, including documentation of licensing, road testing, employment history, and medical certification under 49 CFR Part 391. Falsified records or evidence that a driver lacked required qualifications supports a negligent hiring or supervision claim.
Drug and Alcohol Testing (49 CFR Part 382)
49 CFR Part 382 requires post-accident drug and alcohol testing for drivers involved in crashes meeting specified criteria. Failure to test — or a positive test result — is significant evidence of both driver negligence and company liability.
Vehicle Maintenance Rules (49 CFR Part 396)
49 CFR Part 396 requires motor carriers to systematically inspect, repair, and maintain all vehicles. Required items include brakes, tires, coupling devices, and lighting. Maintenance records showing skipped inspections or unaddressed defects can directly establish company and maintenance-provider liability.
Key Legal Point: Violations of federal trucking regulations are not just administrative matters — they are evidence of negligence. An experienced truck accident attorney will know exactly which records to request, how to preserve them, and how to use them to build your case.
How Long Do You Have to File a Lawsuit?
Every state imposes a statute of limitations — a legal deadline by which you must file your lawsuit or permanently lose the right to sue.
⚠ Important: Statutes of limitations vary by state and by claim type. The information below is general guidance only. You must verify the applicable deadline for your specific case with a licensed attorney or through your state's official legislature website.
Personal injury claims against private defendants typically range from one to three years from the date of the accident, though the specific period differs by state.
Wrongful death claims may carry different deadlines than personal injury claims — verify with an attorney.
Claims against government entities typically require a formal notice of claim within as little as 60 to 180 days from the accident. Missing this deadline can permanently bar your government claim, even if the personal injury deadline has not passed.
Tolling rules — circumstances that pause or extend the deadline — may apply if the victim is a minor, if injuries were not immediately discoverable, or under other specific conditions defined by state law.
Missing the statute of limitations is almost always fatal to your claim. Do not assume you have time to wait. Speak with a personal injury attorney promptly to confirm the exact deadline for your case.
Why You Need a Truck Accident Lawyer
Jackknife truck accident cases are among the most complex personal injury matters in the legal system. They involve overlapping federal safety regulations, multiple potentially liable corporate defendants, aggressive insurance adjusters, and evidence that disappears quickly.
Trucking companies and their insurers often have specialized legal teams working on these cases within hours of a crash — gathering evidence, interviewing witnesses, and building a defense. Leveling that playing field requires legal experience and resources.
An experienced truck accident attorney can:
Issue immediate evidence preservation demands to stop the destruction of records
Obtain ELD data, black box records, driver qualification files, and maintenance logs
Retain independent accident reconstruction and trucking safety experts
Identify all liable parties — not just the most obvious defendant
Handle all communications with insurance companies on your behalf
Quantify the full scope of your damages, including future medical costs and lost earning capacity
Negotiate aggressively for full compensation — and take the case to trial if needed
Most truck accident lawyers handle these cases on a contingency fee basis — no upfront fees, and the attorney receives a fee only if they recover compensation for you.
Discuss your case at no cost with a personal injury attorney who handles truck accident claims.
Frequently Asked Questions
Can I sue for injuries after a jackknife truck accident if I was partly at fault?
Yes, in most states. Most U.S. states follow some form of comparative negligence, meaning your compensation is reduced by your percentage of fault — but you may still recover damages even if you were partially responsible. For example, if you are found 20% at fault, your compensation is reduced by 20%. A few states use contributory negligence rules that can bar any recovery if you were at any percentage at fault. The specific rule in your state will significantly affect your claim. Contact a personal injury attorney to understand how your state's fault rules apply to your situation.
What if the truck driver was classified as an independent contractor?
Trucking companies sometimes classify drivers as independent contractors in an attempt to limit liability. Courts and regulators often look beyond the label to examine the actual working relationship — who controlled the driver's schedule, equipment, and routes. In many cases, the trucking company can still be held liable despite the independent contractor label. An attorney can investigate the arrangement, identify all available defendants, and determine the most effective legal theory.
How long does a jackknife truck accident lawsuit take to resolve?
The timeline varies based on case complexity, the number of defendants, injury severity, whether liability is disputed, and whether the case settles or goes to trial. Many truck accident cases resolve within several months to two years. Cases involving catastrophic injuries, multiple defendants, or uncooperative insurers may take longer. Your attorney can provide a realistic timeline based on your specific facts.
What if I were a passenger in the truck that jackknifed?
Passengers injured in a jackknifed truck may have claims against the driver, the trucking company, or other responsible parties — just as any other crash victim does. The same negligence principles apply. Speak with a personal injury attorney to understand your specific rights as a passenger.
Do I need to act quickly even if I am not sure I want to file a lawsuit?
Yes. ELD data and black box records can be automatically overwritten within days to weeks after a crash unless a legal preservation demand is issued. Contacting an attorney early preserves your options without committing you to filing a lawsuit.
What is respondeat superior, and how does it apply to truck accident cases?
Respondeat superior is a legal doctrine — Latin for "let the master answer" — that holds an employer responsible for the negligent acts of employees performed within the scope of their employment. In truck accident cases, if a driver employed by a trucking company causes a jackknife crash while on the job, the company can be held legally responsible for the resulting damages. This is significant because trucking companies typically carry much larger insurance policies than individual drivers.
What federal regulations are most important in a jackknife truck accident case?
Key regulations include hours-of-service limits under 49 CFR Part 395, driver qualification requirements under 49 CFR Part 391, vehicle maintenance rules under 49 CFR Part 396, drug and alcohol testing rules under 49 CFR Part 382, and cargo securement standards under 49 CFR Part 393, Subpart I. Violations of any of these regulations are important evidence of negligence.
Can the trucking company's insurer be sued directly?
In most states, you sue the liable parties — the driver, the company — and their insurance pays if you win or settle. Some states have direct action statutes permitting a direct suit against the insurer in certain circumstances. An attorney familiar with your state's laws can advise you on the available options.
Authoritative Resources
All links below have been verified as active and pointing to the specific source cited.
FMCSA Large Truck and Bus Crash Facts 2021. Federal Motor Carrier Safety Administration. November 2023.
FMCSA Large Truck Crash Causation Study — Analysis Brief. Federal Motor Carrier Safety Administration. FMCSA.dot.gov.
FMCSA Crash Causal Factors Program (CCFP). Federal Motor Carrier Safety Administration. FMCSA.dot.gov.
FMCSA A&I Crash Statistics Portal. Federal Motor Carrier Safety Administration. Updated 2026.
Hours of Service Regulations — 49 CFR Part 395. Electronic Code of Federal Regulations. U.S. Government.
Summary of Hours of Service Regulations. FMCSA. FMCSA.dot.gov.
Driver Qualification Regulations — 49 CFR Part 391. Electronic Code of Federal Regulations. U.S. Government.
Drug and Alcohol Testing — 49 CFR Part 382. Electronic Code of Federal Regulations. U.S. Government.
Vehicle Maintenance Regulations — 49 CFR Part 396. Electronic Code of Federal Regulations. U.S. Government.
Cargo Securement — 49 CFR Part 393, Subpart I. Electronic Code of Federal Regulations. U.S. Government.
Federal Gross Vehicle Weight Limit — 49 CFR § 127.7. Electronic Code of Federal Regulations. U.S. Government.
Traumatic Brain Injury (TBI). National Institute of Neurological Disorders and Stroke (NINDS), NIH. NIH.gov.
Spinal Cord Injury. National Institute of Neurological Disorders and Stroke (NINDS), NIH. NIH.gov.
Editorial Standards & Review
This article was reviewed for factual accuracy, citation integrity, and alignment with current federal regulations and medical information as of March 2026.
Editorial Principles:
All legal information is verified against primary sources, including the Electronic Code of Federal Regulations (eCFR) and official FMCSA publications
Medical claims are supported by the National Institute of Neurological Disorders and Stroke (NINDS), a division of the National Institutes of Health
All statistics include specific source URLs pointing to the page where the data appears — no data points are estimated or assumed
This content is educational only and does not constitute legal or medical advice
All external links have been verified as active and pointing to the cited source
Content Accuracy:
Federal regulatory citations reflect the Electronic Code of Federal Regulations as of March 2026
Statistical data sourced from the FMCSA's 2021 Large Truck and Bus Crash Facts report — the most recent edition with full jackknife-specific data tables at the time of publication
Medical information sourced from current NINDS/NIH health information pages
Last Reviewed: March 2026
Next Scheduled Review: September 2026
For specific legal guidance on your situation, consult a licensed attorney in your jurisdiction. For medical concerns, consult with a healthcare provider.
If you or a loved one was injured in a jackknife truck accident, don't face the legal process alone. Get a free consultation with a personal injury attorney today.