Jackknife Truck Accidents Explained
When a tractor-trailer jackknifes, the results are often catastrophic—for the truck driver, for nearby motorists, and for anyone caught in the vehicle’s path. Here’s what you need to know about how these accidents happen and what they mean legally.
What is a jackknife accident?
A jackknife occurs when the trailer of a tractor-trailer swings outward, forming an acute angle with the cab—like the blade of a folding knife. When this happens, the driver loses control of the vehicle, and the trailer can sweep across multiple lanes of traffic, crushing anything in its path.
What causes a truck to jackknife?
Jackknife accidents most commonly result from sudden braking, particularly on slippery or wet roads. When the cab decelerates faster than the trailer, the trailer’s momentum pushes it forward and to the side. Other common causes include:
- Improper braking technique or brake failure
- Speeding, especially on curves or highway ramps
- Uneven or improperly loaded cargo shifting the trailer’s weight
- Driver overcorrection or loss of attention
- Equipment malfunctions, including worn tires or faulty brake systems
How dangerous are jackknife accidents?
Extremely. A fully loaded commercial truck can weigh up to 80,000 pounds. When a trailer swings out of control at highway speeds, it becomes a massive, unpredictable obstacle that other drivers have almost no time to avoid. Jackknife accidents frequently result in multi-vehicle pileups, severe crush injuries, and fatalities.
Who is responsible for a jackknife accident?
Liability in a jackknife accident can fall on several parties.
- The truck driver may be at fault for speeding, distracted driving, or improper braking.
- The trucking company may share responsibility if it failed to maintain the vehicle, pressured the driver to meet unrealistic deadlines, or skipped required safety inspections.
- Cargo loading companies can also be liable if improperly secured freight contributed to the loss of control.
What should I do if I was injured in a jackknife accident?
Seek medical attention immediately, even if you feel you weren’t seriously hurt. Document everything you can at the scene. Do not speak with the trucking company’s insurance representatives without legal counsel—their goal is to minimize your claim, not protect your interests!
The Law Offices of Tim Misney can help you with your accident claim. If a negligent truck driver or trucking company put you in harm’s way, I’ll Make Them Pay!® Call my office at (877) 614-9524 so I can evaluate your case right away.
