The high speed limits are often causes of accidents that cause serious injuries and even death. The speed limit should be lowered so we can control accidents caused by high speed driving, pollution, and the high cost of operation and insurance. First of all it is obvious that a motorist driving over the speed limit has more chances of getting into an accident that a motorist who is traveling at the average speed. One who drives fast does not have proper and that well of a control on the vehicle as one that is moving at a safe speed or at th ....