Have you been injured in a car accident?

Our Car Accident Help site is designed to be a one-stop source for anyone who has suffered personal injuries in a car crash. It is also a helpful resource for someone whose loved one has been injured in an Oklahoma car crash. Speak to one of our representatives at (405) 285-4357 if you have any questions, or fill out our form to get your free, instant, no obligation accident analysis. We have Oklahoma car accident attorneys on staff who know the law and can defend your rights.

Oklahoma Jackknife Truck Accident Lawyers

What You Need to Know About Jackknife Collisions

A "jackknife accident" occurs when a tractor-trailer bends at the hinge between the tractor and the trailer, forming an acute angle that folds the vehicle toward itself like a pocketknife. Jackknife accidents are among the most dangerous types of semi-truck accidents. Along with a rollover, a jackknife accident can easily cause serious injuries and death both to the truck's driver and to anyone else unfortunate enough to be caught up in the accident.

The Physics of Jackknife Crashes

Most jackknife accidents begin when the tractor starts to skid. As the skid deepens, the trailer may begin to push the tractor from behind, swinging the back end of the trailer out and forward as the tractor pulls backward and to the side. The cab and trailer end up facing in opposite directions, which prevents the driver from moving the vehicle. Thus, a jackknifed tractor-trailer may pose a crash risk even after it has come to a stop. If the vehicle jackknifes in the center of a busy road or freeway, drivers coming up to the accident may not be able to stop in time to avoid a crash.

What Are Common Jackknife Risk Factors?

Certain factors and road conditions make a jackknife accident more likely. Some common conditions include:

  • Icy or slippery road surfaces;
  • Tight curves, especially if the driver is going too fast to navigate them safely;
  • Improper braking or brake failure;
  • Equipment failure; and
  • Speeds over 55 miles per hour.

In addition, the risk of a jackknife accident increases as the length of the vehicle increases, according to a study by the U.S. Federal Motor Carrier Safety Administration (FMCSA). The risk of a jackknife accident also increases if a tractor-trailer is not carrying a full load, since a lighter trailer is more likely to jackknife.

In some cases, a driver may deliberately try to jackknife a truck in order to stop it. This is an emergency maneuver used to prevent a more serious accident resulting from total brake failure. Delayed or neglected maintenance, botched brake repairs, or defective brake parts can all cause brake failure in large trucks.

According to the FMCSA, about 90 percent of death - or injury-causing jackknife accidents occur with trucks hauling a single trailer. Nearly all of these accidents result in death or injury to an occupant of a vehicle that is not the jackknifed truck.

Safety Measures in Oklahoma

Several methods have been applied over the years to reduce the risk of a jackknife accident. One early device, which is little used today, tried to reduce the angle the tractor could create with the trailer, but this device had little success. A much more successful method of reducing jackknife risk is to equip the trailer with anti-lock brakes. However, anti-lock braking systems are subject to the same brake failure risks as traditional brakes. Electromagnetic brakes or electronic brakeforce distribution systems have also been used to prevent jackknife accidents, with some success.

Helping You Recover After an Oklahoma Truck Accident

When a jackknife accident happens to you or someone you love, Car Accident Help is there for you. As we work diligently to build an effective case on your behalf to hold negligent truckers or trucking companies liable, you can focus on healing from your injuries. For a free, confidential case evaluation, call at (405) 285-4357.

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You've Already Wrecked Your Car, Now DON'T Wreck Your Case! Get your FREE instant download to learn EXACTLY what you need to do so that you don't wreck twice!
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Getting Support for Your Car Accident

The period after a car collision can be devastating and chaotic for crash victims and their families. This is the time when you can use all the support and resources you can get. The team at Car Accident Help are committed to providing you with the information and resources you need during these challenging times. If there are any questions you may have or want to know your legal rights, contact us today for a free initial evaluation to see if you have a case.

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Who We Are

The team at CarAccidentHelp.com created this site to provide a resource to those who have just been in an accident and need someone on their side. The insurance companies are not looking out for your best interests and you need an advocate who knows the laws in Oklahoma and will fight for you. We help you figure out if filing a lawsuit is right for your situation, and connect you with lawyers who can determine if you have a case.

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15401 N. May Avenue
Suite 900
Edmond, OK 73013
Call: (405)-285-4357


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OKC Jackknife Truck Accident Lawyer Disclaimer: This web site is designed to provide educational information. The legal information contained in this web site is not intended to offer legal advice. Information contained in this web site is not intended to create an attorney-client relationship, nor does it constitute legal advice, to any person reviewing such information. No electronic communication with Car Accident Help, or any employees thereof, will generate an attorney client relationship, nor will it be considered an attorney-client privileged communication. Any reference in this web site to past results for clients obtained by Car Accident Help, including reference to the Million Dollar Advocates Forum, does not guarantee that similar outcomes will be achieved for future cases. Each case is different, and must be evaluated and handled based on its individual attributes and merits.

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