Introduction
There comes a time when we feel that we know enough of a subject. It happens that knowing too much of a subject may make us feel confused, and we find ourselves unable to answer a simple question related to the subject conclusively. Speed limit and its effect on accidents is one such subject that we believe we know enough about but still find ourselves mumbling in uncertainty whether or not it is good or bad. Our common sense says that a speed limit is good. Otherwise, people will start driving at insanely high speed adding to the number of road accidents. However, it ...