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Occupant Restraint Systems

Seat belt use has been mandatory in all Canadian provinces and territories for many years. However, a significant number of occupants involved in motor vehicle accidents have failed either to wear the available seat belts or to wear them correctly.


In order to evaluate the potential effectiveness of seat belts, we start by analysing what happened to the vehicles during the accident, and then what happened to the occupants within each vehicle, and outside the vehicle if they are ejected. We then determine what would have happened to the occupants if they had been properly restrained by the available seat belts, child seats, etc. In this way we can determine the movements of the occupants, both restrained and unrestrained, and evaluate the effects of proper seat belt use.


Air bags can also provide great benefit in high speed collisions, but in lower speed collisions, where seat belts provide adequate protection, the benefits of air bags are less clear.


Our engineers have provided expert testimony in the field of seat belt effectiveness, and most of the early cases in which the Seat Belt Defence was accepted in the Courts in Alberta, reflected our evidence in this area.

air bags seat belts

child seats

 

1059 Edgemont Road N.W. Calgary, AB, Canada T3A 2J5 Phone: (403) 292-0350 Fax: (403) 292-0489