Research Paper on:
Traffic Signals and Their History

Unformatted Sample Text from the Research Paper:
using this paper properly Introduction In the history of rural America the growth of a town was often measured by the addition of traffic light. The distinction  was even made whether your town merited a blinking light, or the genuine three-color article. Yet the traffic signal itself has its own unique history, current contributions, and future  significant role, will be the basis of this discussion. History Traffic in cities was crowded even before the automobile, and was often directed by hand by a police officer.  The first official traffic signal was also hand operated in London in 1868. This gas lantern operated by a hand lever, had only two colors: red for stop and  green for caution. In less than a year the gas lantern exploded injuring its operator. So we could definitely say that there were indeed traffic problems, before the  automobile even came on the scene. According to traffic signal legend the first United States traffic light appeared in Detroit in 1920. Police Officer William Potts used the  idea of a railroad traffic signal with three lights - the amber light indicating caution. With under forty dollars of wire and small parts he assembled and installed the  first traffic signal in his home town. Within a year the bustling town of Detroit had fifteen working signal lights. In 1923, Garrett A. Morgan received the first patent  for The Garrett Morgan Traffic Signal. This was a pole-mounted, T-shaped device that had three colors whose meanings were, stop, go and everybody stop in all directions for pedestrians.  Today and tomorrow Those of us who wait impatiently a traffic signals, in order to get on with, what we perceive as our busy daily life, may think of a