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West Palm Beach Business Litigation Attorneys / Blog / Truck Accident / Four Big Things You Can Learn From a Truck’s “Black Box” After a Crash

Four Big Things You Can Learn From a Truck’s “Black Box” After a Crash

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Most commercial trucks that operate in Florida are equipped with an event data recorder (EDR). You will often hear the device referred to simply as a “black box.” It captures critical information before, during, and after a crash. The data may include vehicle speed, brake usage, throttle position, and steering input—which can all be evidence that can help to prove fault for a crash. After a serious truck accident, black box records can and should be subpoenaed by your lawyer. Here, our West Palm Beach semi-truck accident attorney highlights four of the big things that you can learn from a tractor trailer’s black box after a crash.

  1. Truck Speed 

One key fact that you can generally learn from a commercial truck’s black box is the speed that the vehicle was travelling immediately preceding the collision. Indeed, a truck’s EDR will record the exact speed a truck was traveling at the time of a crash. If a trucker was barreling down the highway well over the posted limit, the data proves it. Speed is a major factor in many tractor trailer accidents in Florida. Evidence that proves a trucker was speeding can make a very big difference in your case. 

  1. Brake Application (or Lack Thereof) 

The truck’s black box can also provide information about when the trucker applied the brakes—if they were ever applied at all. One of the most critical questions after a devastating truck crash is whether the driver even tried to stop. The black box can reveal the exact moment brakes were applied. A complete failure to brake may point to distraction, fatigue, or another serious safety failure. In split seconds, lives are lost or forever changed. The data helps to clear up the speculation. 

  1. Throttle Position 

The throttle position also tells a powerful story about why the crash happened. Was the driver trying to speed up or slow down? It is an important question. Details about the precise throttle position can show how much pressure was applied to the gas pedal—and when. In the moments leading up to a crash, a trucker’s decisions matter.

  1. Steering Input 

Finally, a commercial truck’s black box will also generally provide information about how exactly the truck was being steered. Every second matters when it comes to steering a multi-ton semi-truck. The black box records how—and whether—the driver tried to steer away from danger. Did they veer to avoid a collision or keep barreling straight ahead? These details reveal the driver’s attentiveness, control, and decision-making under pressure. When tragedy strikes, families deserve to know what actions were taken—or not taken.

Contact Our West Palm Beach Truck Accident Lawyer Today

At Pike & Lustig, LLP, our West Palm Beach semi-truck accident attorney is standing by, ready to help you fight for the maximum financial compensation after a crash. Have questions about black box data for trucks? Contact us now for a free case review. We represent truck accident victims in West Palm Beach, Palm Beach County, and all across Southeast Florida.

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