If you’ve driven on I-12 around Covington, Slidell, or Hammond, you’ve probably seen your fair share of big rigs.
Now imagine this: traffic slows, brake lights stack up, and suddenly, an 18-wheeler swings sideways across the highway.
That’s called a jackknife accident. And when it happens, it can turn into a multi-car disaster in seconds.
Let’s break down what it means, and what happens next.
What Is a Jackknife Accident?
A jackknife accident happens when the trailer of a truck swings out to the side, forming an angle with the cab—kind of like a folding pocket knife.
This usually happens when:
- The driver brakes too hard
- Roads are wet or slick (not uncommon on I-12)
- The truck is speeding or overloaded
- The driver loses control
Once that trailer swings out, it can block multiple lanes almost instantly.
Why Jackknife Accidents Are So Dangerous
Unlike a typical crash, jackknife accidents often involve multiple vehicles.
On a busy interstate like I-12, that can mean:
- Cars crashing into the trailer
- Chain-reaction rear-ended collisions
- Vehicles getting trapped or pushed off the road
And because 18-wheelers are so large, the injuries can be severe.
Who Could Be Responsible?
This is where things get complicated.
In a jackknife accident, liability isn’t always just on the driver. It could involve:
- The truck driver (speeding, braking, fatigue)
- The trucking company (poor training or pressure to meet deadlines)
- A maintenance company (faulty breaks or tires)
- Cargo loaders (unbalanced or overloaded trailer)
In some cases, multiple parties share responsibility.
How Louisiana Law Affects Your Case
Louisiana follows a pure comparative fault system under Louisiana Civil Code Article 2323.
That means:
- More than one party can be at fault
- Your compensation is reduced by your percentage of fault
Example:
- Your damages $100,000
- You’re found 10% at fault (maybe following too closely)
- You can still recover $90,000
Insurance companies often try to argue that drivers behind the truck “should have reacted faster,” so fault can become a big issue.
What Should You Do After a Jackknife Crash?
If you’re involved in or near a jackknife accident on I-12:
- Call 911 immediately
- Get medical attention, even if injuries seem minor
- Take photos or videos if it’s safe
- Get witness information
- Avoid giving recorded statements to insurance right away
Truck accident cases often depend heavily on evidence like:
- Driver logs
- Black box data
- Maintenance records
The sooner that evidence is preserved, the better.
Why These Cases Are Different From Regular Car Accidents
Truck accident cases, especially jackknife crashes, are more complex because:
- There are multiple layers of insurance
- Federal trucking regulations may apply
- The damages are often much higher
- Companies move quickly to protect themselves
In other words, it’s not just a simple fender bender claim.
The Bottom Line
If an 18-wheeler jackknifes on I-12:
- It can cause serious, multi-vehicle accidents
- Liability may involve multiple parties
- Louisiana’s comparative fault law can impact your recovery
- And these cases require strong evidence and quick action
Need Help After a Truck Accident?
If you were injured in a truck accident in Southeast Louisiana, you don’t have to figure it out alone.
At Cueria Law Injury Lawyers, we help people navigate complex truck accident cases and fight to get the compensation they deserve.
Reach out today for a free consultation.
