T-bone collisions are car accidents in which vehicles collide perpendicular to one another, and they are responsible for approximately 8,000 fatalities every year. Proving Fault Depending on the circumstances, the physical damage of a car’s side may provide enough evidence to determine which driver caused the accident. However, it’s quite common for a driver to claim they had the right-of-way by saying the light was green. This is why its important for victims of such a crash to compile a witness list and note the date of the accident as well as.