A final year physics student of the Kwame Nkrumah University of Science and Technology (KNUST) has built a single phase traffic light.

This will also mean that the malfunction of traffic lights in the country will be reduced.

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The Final year Physics student, Bruce Christopher Konu told Accra-based Joy FM that he has been working on cost-effective ways of building and repairing traffic lights.

“When the traffic light run into trouble you have to go through the trouble to repair all the phases so I contacted my supervisors, Dr Reuben Tamakloe and Dr Michael Donkor and informed them of LEDs which give off all the three colours,” he said.

Operation of the signal is based on the RGB color model which represents the initials of three primary colours; red, green, and blue.

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The lights are fused together in various ways to reproduce a broad array of colours.

“With this one, the cost is reduced by three and maintenance is also reduced by three,” he said.

The light is equipped with a GSM chip which reports the status of the machine.

“You can use your phone to shut it and put it on in any part of the world,” he added.