Traffic Light Systems

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The purpose of this report is to describe the evolution of the traffic lights system since it was established until today. I am also fulfilling the course requirements.
Background:
Traffic lights act as a method of controlling the interaction between different elements using the same mode of movement. The traffic lights make life easy by controlling the movement among cars and humans. They tell humans and cars when to stop and when to keep moving. There was a big evolution in the traffic lights system. As I am going to discuss in this report, traffic lights were originally powered by gas and not by electricity. They were flashing to colors which were red and green. The traffic lights system kept changing during the years until we have the new system that people see these days.
Scope:
In this report, I am going to state when the traffic lights were established, why they were used, and how the system has improved since its implementation. It is hereby noted that maintenance and alternative versions of traffic lights are not discussed in this report.

Discussion:
The use of traffic ...

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