Truck crashes often leave behind serious injuries and complex questions about what went wrong. These cases may involve multiple parties, mechanical failures, or violations of trucking regulations, making it hard to prove what actually caused the accident.
That’s where expert witnesses come in. An expert witness is a person with highly specialized knowledge who is brought in to explain complex issues clearly and accurately. Whether it’s a doctor who understands long-term injury effects or an engineer who knows how braking systems fail, these experts help judges and juries understand key details of your case.
At Shaheen & Gordon, our New Hampshire truck accident attorneys work with trusted experts to support your claim. We’ve handled cases involving everything from vehicle maintenance failures to FMCSA safety violations and know how to build strong claims backed by expert analysis.

What do expert witnesses do in truck accident cases?
In many truck accident claims, expert witnesses help tell the full story. They offer insight into the technical details behind the crash or truck problems most of us wouldn’t recognize right away. This may involve figuring out how the accident happened or explaining the long-term impact of an injury; expert witnesses help make the facts clear.
Experts aren’t always required, but they are often very helpful, especially when there are serious injuries or questions about who is at fault. When the trucking company denies responsibility, expert input can make all the difference in showing what really happened.
What types of expert witnesses are used?
Your attorney may work with one or more types of experts depending on how the crash occurred and what’s being disputed:
- Accident reconstruction experts can piece together the collision using photos, skid marks, truck damage, and black box data to show how the crash unfolded.
- Mechanical engineers might review the truck’s parts and systems to check for mechanical failures, poor vehicle maintenance, or design issues.
- Medical experts help explain how your injuries affect your daily life, including any long-term impact.
- FMCSA safety experts can speak to whether the driver or trucking company followed rules set by the Federal Motor Carrier Safety Administration.
- In some cases, experts also look at road conditions or improper loading practices that may have contributed to the accident.
Why do expert witnesses matter?
When your case involves technical questions, like why the brakes failed or how fast the truck was going, having someone with specialized knowledge can be critical. Judges and juries often rely on these experts to explain what caused the crash and how it affected you.
A strong expert can give your claim credibility. They break down complex topics and give a clear picture of what went wrong. That can lead to a better outcome during settlement talks or in court.
Are expert witnesses always needed?
Not always, but in many truck accident cases, they’re highly recommended. If liability is unclear or if the crash involves serious injuries, expert input can strengthen your case. They can also help defend your claim if the other side tries to shift blame or minimize what you’ve been through.
Even if your case seems straightforward, a lawyer may bring in an expert to cover specific points and help make sure nothing gets overlooked.
Talk to a truck accident attorney today
If you were injured in a crash with a commercial truck, you may be facing a long and difficult recovery. At Shaheen & Gordon, our team works with trusted experts and knows how to build strong cases grounded in trucking regulations and real-world evidence.
We’ll explain your options, answer your questions, and guide you every step of the way. Call (800) 451-1002 or contact us online today for a consultation.