The U.S. Department of Transport has statistics that indicate this reduction in speed saved 19,000 lives between 1974 and 1979. Despite this success many people were unhappy with this speed limit and in the 1980's individual states were allowed to raise the speed limits on certain highways to 65 mph. When Canada adopted the metric system, the speed limit on many Canadian highways was reduced from 65 mph to 62 mph. A great deal of effort and money has been spent on building highway systems and traffic control systems in an effort to make traffic safer. Highways are designed to carry large numbers of vehicles safely and efficiently.
Safety ultimately depends upon the attitudes of the drivers.
No traffic system can be made foolproof. Drivers have to take collective responsibility for collectively making the streets safe. Its use is controversial because of its possible effects on those who consume beef. In all these characteristics, the central element of addiction is that the substance controls your behaviour by producing temporary alterations in your mood when it is not in your system. Lung cancer was virtually unknown.