how to reduce the the traffic that is caused by the traffic lights.

For example, people are waiting for a long time in an intersection while most of the other intersection has no cars. And that causes a major traffic problem. And in one of the paper’s parts i’m required to suggest 3 solutions for the problem and choose one of them. I must compare them and show the disadvantages of the solutions and the advantages and then pick one of them as the solution. The solutions are 1-megnatic induction loops 2-video sensor (camera) 3-piezoelectric sensors.
I need to right a paper to show why is the piezoelectric sensor is the best choice. I also need to about 600 words one page single space. I need at least 4 sources.

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