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Dallas–Fort Worth Underride Truck Accident Lawyer

When a car goes beneath
a commercial trailer.

Underride crashes are among the most dangerous commercial-truck collisions because a passenger vehicle can travel beneath the higher structure of a tractor-trailer.

The Piri Law Firm represents people and families throughout Dallas–Fort Worth after catastrophic rear and side underride truck crashes.

Rear Underride Side Underride Commercial Trucks Catastrophic Injury
TruckInspect vehicle
GuardDocument structure
DriverInvestigate conduct
DataPreserve evidence
DFWNorth Texas representation
Direct Answer

What is an underride truck accident?

An underride accident occurs when a smaller vehicle travels partially or substantially underneath a larger commercial truck or trailer during a collision. These crashes can occur at the rear or side of a trailer and can cause catastrophic head, neck, spinal, and fatal injuries.

How Underride Crashes Happen

The height difference between vehicles can make the impact devastating.

An investigation should determine not only why the passenger vehicle contacted the trailer, but also the truck's movement, visibility, lighting, reflective equipment, structural components, and surrounding traffic conditions.

01

Sudden Stops

A tractor-trailer stopping abruptly or unexpectedly can create a severe rear-impact hazard for vehicles traveling behind it.

02

Unsafe Lane Changes

A trailer moving across an occupied lane can place a smaller vehicle beside or beneath the trailer before the motorist can escape.

03

Low Visibility

Darkness, weather, poor lighting, or inadequate conspicuity can make a trailer difficult for approaching motorists to identify.

04

Turning Trucks

A long trailer crossing traffic lanes during a turn can create a broad side-impact and underride hazard.

05

Disabled or Stopped Trucks

Commercial vehicles stopped on or near a roadway can create serious risks if motorists are not adequately alerted to their presence.

06

Multiple-Vehicle Crashes

A passenger vehicle may be pushed beneath a trailer by another vehicle during a chain-reaction collision.

Truck & Trailer Evidence

The trailer itself can become critical evidence.

The rear or side structure, underride guard, reflective material, lighting, damage patterns, tires, brakes, maintenance history, and other physical evidence may help explain how the collision occurred and the forces involved.

Rear and side trailer structure Underride guard condition and damage Lighting and reflective equipment Vehicle positions and impact evidence
Commercial Truck Investigation

The crash scene is only one part of the evidence.

01

How was the truck being operated?

Speed, braking, lane changes, turns, stopping position, visibility, warning measures, and other driver conduct may require investigation.

02

What was the trailer's condition?

Investigators may need to examine the trailer structure, guard, lights, reflective material, maintenance, repairs, and collision damage.

03

What does electronic data show?

Commercial vehicles may contain electronic information relevant to speed, braking, operation, and events immediately surrounding the crash.

04

Who controlled the truck and trailer?

The driver, motor carrier, tractor owner, trailer owner, maintenance providers, and other entities may require investigation depending on the facts.

Potentially Responsible Parties

A commercial truck may involve several companies and responsibilities.

Identifying the entities responsible for the driver, tractor, trailer, maintenance, and operation can be important when investigating a serious underride collision.

Commercial Driver

Driving decisions involving speed, lane position, turning, braking, visibility, and warning measures may be relevant.

Motor Carrier

Driver qualification, supervision, scheduling, safety practices, and vehicle operations may require review.

Truck or Trailer Owner

Ownership and control of the tractor and trailer can affect the investigation and available records.

Maintenance Providers

Inspection, repair, lighting, reflective equipment, guard condition, and other maintenance issues may become relevant.

Evidence Preservation

A damaged trailer should be documented before it changes.

Important evidence can include photographs, measurements, trailer and guard damage, electronic vehicle information, driver records, inspection and maintenance documents, dash-camera footage, surveillance video, witness information, police records, and physical evidence from the roadway.

Related Personal Injury Services

Underride collisions often involve catastrophic injuries.

Explore related commercial-truck and serious-injury resources from The Piri Law Firm.

Truck Accidents

Commercial truck cases can involve drivers, motor carriers, equipment, records, and multiple insurance issues.

Explore →

Rear-End Truck Accidents

Rear impacts involving commercial trailers can produce severe underride forces.

Explore →

Jackknife Truck Accidents

A jackknifed trailer can sweep across lanes and create a sudden underride hazard.

Explore →

Highway & Freeway Accidents

High speeds can make underride crashes on major highways especially destructive.

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Traumatic Brain Injury

Underride impacts can cause severe head and neurological injuries.

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Spinal Cord Injury

Extreme crash forces can cause spinal trauma and permanent neurological impairment.

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Catastrophic Injuries

Underride crashes can result in permanent disability and lifelong medical needs.

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Wrongful Death

Families may have claims after fatal underride and other commercial-truck collisions.

Explore →
Frequently Asked Questions

Underride truck accident questions.

What is the difference between a rear and side underride crash?

A rear underride crash involves a smaller vehicle traveling beneath the rear of a truck or trailer. A side underride crash involves a smaller vehicle traveling beneath or into the side area of a commercial trailer.

Why are underride truck crashes so dangerous?

Commercial trailers sit significantly higher than many passenger vehicles. In an underride collision, the trailer structure may intrude into areas of the passenger vehicle above the primary front-end crash structures, creating a risk of catastrophic injury.

What evidence should be preserved after an underride accident?

Potential evidence includes the tractor and trailer, underride guard, lighting and reflective equipment, photographs, measurements, electronic vehicle information, maintenance and inspection records, driver records, video, witness information, and roadway evidence.

Who may be responsible for an underride truck accident?

Depending on the circumstances, potentially relevant parties may include the commercial driver, motor carrier, tractor or trailer owner, maintenance providers, another motorist, or others whose conduct contributed to the collision.

How long do I have to file a truck accident lawsuit in Texas?

Texas generally applies a two-year limitations period to personal injury claims, although exceptions can apply. Trucks, trailers, electronic data, video, and other evidence may need to be preserved much sooner.

Confidential Consultation

What Are You Facing?

Tell us where the collision happened, whether the impact involved the rear or side of the trailer, which vehicles were involved, whether police responded, and what injuries and medical treatment followed.

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