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Collision of a semi truck with box trailer and a passenger car on the highway road
Shapiro, Washburn & Sharp
(833) 997-1774

In the aftermath of a truck accident, gathering evidence is crucial for determining liability and seeking compensation for damages. One valuable source of evidence in truck accident investigations is the truck’s black box, also known as an event data recorder (EDR). The black box is a device installed in commercial trucks to record various data points related to the vehicle’s operation. If you have been injured in a truck accident, your Virginia Beach personal injury attorney can use the information contained in the EDR to help prove liability. The following are some of the potential accident factors that may be collected.

Speed and Acceleration

The EDR can provide essential information about the truck’s speed and acceleration patterns leading up to and during the accident. This data can help reconstruct the events and determine if the truck driver was exceeding the speed limit or engaging in reckless driving behavior.

Braking and Deceleration

The black box can record data related to the truck’s braking and deceleration, including the timing and intensity of braking maneuvers. This information is valuable in determining if the truck driver attempted to slow down or stop before the collision.

Engine RPM and Throttle Position

The EDR can also capture engine RPM (revolutions per minute) and throttle position data, which can provide insights into the truck’s engine performance and driver input at the time of the accident. Deviations from normal engine RPM or sudden changes in throttle position can indicate aggressive driving or mechanical issues.

Steering Inputs

Data related to the truck’s steering inputs, including the direction and degree of steering wheel movement, is also collected by the black box. This information can help determine if the truck driver made any evasive maneuvers or lost control of the vehicle.

Airbag Deployment

If the truck is equipped with airbags, the black box can record data related to airbag deployment, such as the timing and force of deployment. This information can provide insights into the severity of the collision and the impact on vehicle occupants.

Vehicle Maintenance Issues

The black box can also store data related to the truck’s maintenance and diagnostic information. This may include fault codes or indicators of potential mechanical issues that could have contributed to the accident, such as brake failure, engine malfunctions, or tire problems.

Time and Date Stamp

In addition to all of the above information, the EDR usually includes a time and date stamp for each recorded event. This helps establish the sequence of events leading up to the accident and ensures accurate timing when reconstructing the incident.

Pursuing a Truck Accident Claim

It is important to note that accessing the data from a truck’s black box requires specialized equipment and expertise. Trucking companies or their insurers may attempt to limit access to this data or manipulate it to protect their interests. Therefore, it is crucial to work with an experienced Virginia Beach truck accident attorney who can ensure the preservation and proper analysis of the black box data.

Contact Shapiro, Washburn & Sharp to schedule a free and confidential case evaluation and find out what legal recourse you may have for the injuries and losses you have sustained.




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