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Imagine yourself calmly behind the wheel on the streets of your city, when an unexpected detail catches your eye: a traffic light showing a fourth light in a completely new color!
It may sound like something out of a sci-fi movie, but that's exactly what's about to happen! get ready!
Introducing a fourth signal at traffic lights: a sensible step forward
Traditional traffic lights, with their familiar three colors – green, yellow and red – have been guiding drivers around the world for decades, efficiently regulating traffic flow. However, with technological advances and the emergence of autonomous vehicles, the need to adapt arises.
Here comes the role of the white color, proposed as an addition to the traditional colors, with a specific purpose: to direct drivers to “follow the car in front of them” to reduce traffic delays.
Benefits of the fourth color in traffic lights
Introducing the fourth color in traffic signals achieves several advantages:
- Reducing congestion: Tests indicate that the four-color system significantly improves traffic flow, reducing traffic jams.
- Fuel savings and environmental benefits: Improved traffic flow results in lower fuel consumption per vehicle, which contributes to reduced emissions of polluting gases.
- Improved safety: Communication between autonomous vehicles and traffic signals promises to reduce the likelihood of accidents and improve road safety.
How it works?
Self-driving vehicles, a true marvel of modern technology, are able to communicate with each other to optimize traffic without the need for traditional traffic signals. The white light is directed toward human-driven vehicles, indicating that the autonomous vehicles are coordinating their movements to improve traffic flow. Drivers are asked to stop if the light goes out and continue if it stays on. This system represents a major advance toward efficient integration between autonomous vehicles and humans on public roads.
Why does this make sense?
As technology advances, urban infrastructure, including traffic signals, must evolve. Adding a fourth color to traffic lights reflects this need to adapt. The initiative, proposed by scientists at North Carolina State University, represents a bold step toward a future in which vehicle technology and traffic systems work together to create safer, more efficient and sustainable roads.
Very useful system
This innovative system links self-driving cars to traffic lights, allowing traffic to be coordinated efficiently in highly congested areas. It is a mobile control model that assigns a portion of traffic control to autonomous vehicles, an advance that reflects the increasing integration of technology into everyday life.
Implementing a fourth signal in white traffic lights is more than just a simple addition; It is a reflection of technological development and its integration into the daily life of cities. By facilitating interaction between autonomous vehicles and humans, this system not only promises to improve traffic flow and road safety, but also represents an important step in adapting our urban infrastructure to the needs of the future. This North Carolina State University experiment could be the beginning of a new era in traffic signals, where innovation and technology go hand in hand with safety and efficiency.
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