School Bus Collision Summary, Canada 1989-1997: Selected Case Summaries (cont'd)



Intrusion

Bus struck by tractor-trailer (15k)
Bus struck by tractor-trailer

It is possible that seat belts could, by limiting the motion of a child when an object intrudes into the bus, cause injury. In one case the occupied rear seat was pushed into the seat in front by an intruding tractor-trailer.

Forward deformation of bus seats (12k)
Forward deformation of bus seats

The child was trapped but uninjured. This illustrates why seat belts, if installed, must be attached to the seats of the bus, and not the floor.

Bus struck by gravel truck (15k)
Bus struck by gravel truck

Intrusion was the cause of two fatalities. The head of one child suffered direct contact with the intruding hood of a loaded gravel truck.

In a second incident, a child was killed by a steel plate entering the bus after the plate fell off a passing truck.



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