A study was proposed that aims to create a type of traffic light with four lights, with the aim of solving one of the main problems faced in urban mobility: congestion. In addition to the traditional colors, red, yellow and green, a fourth light, white in color, would be introduced into this system.
In this scenario, white light would have the function of regulating the flow of autonomous vehicles. This would result in a significant reduction in travel time, contributing to the reduction of congestion on urban roads.
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Furthermore, this approach would have the added advantage of reducing fuel consumption.
The research was conducted by transport engineers from North Carolina State University, in the United States, with the aim of exploring the advantages of this new system. To assess its advantages, experts performed computer simulations.
In addition to offering greater operational efficiency, the adoption of autonomous vehicles promotes a significant improvement in road safety. This is due to its ability to prevent human errors, making roads safer for all users.
Autonomous vehicles would be able to communicate with each other and with the traffic lights located at intersections, within a certain range.
This would enable a more efficient and intelligent organization of traffic, improving circulation on roads with a high volume of vehicles and providing guidance on optimal speeds.
By means of the white light, any human-driven car in the area that is following the vehicle in front of it would be informed about the action to be taken: if the white light is off, you must stop or continue if it stays on lit.
Traffic lights will operate in normal mode, displaying red, yellow and green colors, when the number of autonomous vehicles on the road is below a certain limit.
