Effects
Studies by road safety authorities conclude that seat belt legislation has reduced the number of casualties in road accidents.
Experiments using both crash test dummies and human cadavers also indicated that wearing seat belts should lead to reduced risk of death and injury in car crashes.
Studies of accident outcomes suggest that fatality rates among car occupants are reduced by between 30 and 50 per cent if seat belts are worn. The US National Highway Traffic Safety Administration estimates that death risks for a driver wearing a lap-shoulder seat belt are reducing by 48 per cent. The same study indicated that in 2007, an estimated 15 147 lives were saved by seat belts in the United States and that, if seat belt use were increased to 100 per cent an additional 5024 lives would have been saved.
An earlier statistical analysis by the U.S. National Highway Traffic Safety Administration (NHTSA) claimed that seat belts save over 10,000 lives every year in the US. According to Fatality Analysis Reporting System (FARS) data:
- "Research on the effectiveness of child safety seats has found them to reduce fatal injury by 71% for infants less than 1 year old and by 54% for toddlers 1-4 years old in cars. Among passenger vehicle occupants over 4 years old, safety belts saved an estimated 11,889 lives in 2000."
In Victoria, Australia the use of seat belts became compulsory in 1970. By 1974 decreases of 37% in deaths and 41% in injuries, including a decrease of 27% in spinal injuries, were observed, compared with extrapolations based on pre-law trends.
By 2009, despite large increases in population and the number of vehicles, road deaths in Victoria had fallen below 300, less than a third of the 1970 level, the lowest since records were kept, and far below the per capita rate in jurisdictions such as the United States. This reduction was generally attributed to aggressive road safety campaigns beginning with the seat belt laws.
Read more about this topic: Seat Belt Legislation
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