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T-Bone (Side Impact) Accidents in Dallas-Fort Worth

T-bone collisions are among the deadliest crash types. The side of a vehicle offers little protection when another car slams into it.

Updated: February 2026 • 6 min read

⚠️ High Fatality Rate

T-bone crashes account for 25% of passenger vehicle deaths. The door offers far less protection than the front or rear of a vehicle.

25%
Of fatal crashes
8,000+
US deaths/year
Intersections
Primary location
Red lights
Top cause

What Is a T-Bone Accident?

A T-bone (or broadside) collision occurs when the front of one vehicle strikes the side of another, forming a "T" shape. These typically happen at intersections when one driver fails to yield.

Common Causes of T-Bone Crashes

1. Running Red Lights

The most common cause. A driver entering an intersection after the light turns red gets hit by cross-traffic.

2. Failing to Yield

Stop sign violations, yield sign ignorance, or misjudging the speed of oncoming traffic.

3. Distracted Driving

Texting or phone use causes drivers to miss traffic signals and cross-traffic.

4. Impaired Driving

Alcohol and drugs impair judgment and reaction time at intersections.

5. Speeding

Excessive speed prevents drivers from stopping in time when lights change.

Why T-Bone Crashes Are So Dangerous

Vehicle safety design focuses on frontal and rear impacts. The side offers minimal protection:

  • No crumple zone: Just a thin door between you and the impact
  • Side airbags help but aren't enough: Less protection than frontal airbags
  • Direct impact to occupant: The driver or passenger takes the hit
  • Rollover risk: T-bones can cause the struck vehicle to flip

Common T-Bone Crash Injuries

  • Traumatic brain injuries: Head strikes window or door frame
  • Broken ribs and pelvis: Direct side impact
  • Spinal injuries: Lateral force causes vertebrae damage
  • Arm and shoulder injuries: Crushing from door intrusion
  • Internal organ damage: Liver, spleen, and kidney injuries
  • Neck injuries: Side-to-side whiplash motion

Who's at Fault in a T-Bone Accident?

Typically, the driver who violated the traffic control (ran the red light or failed to yield) is at fault. However, it's not always clear-cut:

  • Both drivers may claim they had the green light
  • Witnesses and traffic camera footage are crucial
  • Comparative fault may apply if both drivers contributed
  • Texas follows modified comparative negligence (51% rule)

📹 Proving Fault

Red light cameras and intersection surveillance footage can definitively prove who had the right of way. Your attorney can subpoena this evidence before it's deleted.

What to Do After a T-Bone Accident

  1. 1. Check for injuries – Side impact injuries can be severe
  2. 2. Call 911 – Police report is crucial for intersection crashes
  3. 3. Document the intersection – Photos of signals, signs, skid marks
  4. 4. Get witness information – Other drivers who saw the lights
  5. 5. Note traffic cameras – Many intersections have red light cameras
  6. 6. Don't admit fault – Even if you think you might have been wrong
  7. 7. Seek medical attention – Internal injuries may not be immediately apparent
  8. 8. Get your crash reportSet up free monitoring

Were You in a T-Bone Accident?

Get your crash report as soon as it's available. Essential for proving fault.

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