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Smart Traffic Lights, a super tool for the Cities of the Future

If there is a growing challenge for cities that want to be smart, the modernization of their mobility is the most important. With rapid population growth and urbanization, traffic congestion and road safety have become critical concerns. To address these problems, smart cities are turning to advanced technologies, and smart traffic lights are one of the technologies they most want to put into operation to improve the quality of life of their citizens.

Therefore, at ITA S.A., with our IOT experts, in this article, we will explore in detail which are the urban traffic lights that smart cities should use, the benefits of their implementation and we will give you examples of Smart cities that already use them.

What are smart traffic lights and how do they work?

Smart traffic lights are an evolution of traditional analog traffic lights. They use advanced technologies such as sensors, cameras, wireless communications and artificial intelligence algorithms to manage traffic flow more efficiently. But what characteristics do they have and what are the keys to their operation? go for it.

Smart traffic lights incorporate traffic sensors that monitor vehicle flow in real time. These sensors can detect the presence of vehicles, bicycles and pedestrians, allowing lights to be adjusted dynamically based on current demand.

Also, smart traffic lights use adaptive control algorithms that optimize the timing of lights based on traffic conditions. They can identify congestion patterns and automatically adjust green and red times to minimize wait time and reduce congestion.

A vital feature is that they prioritize the traffic of emergency vehicles since these traffic lights can detect ambulances, police patrols or fire vehicles, and give them priority of circulation to guarantee a quick response in critical situations.

Likewise, smart traffic lights can communicate with each other and with the city’s traffic control center, which allows efficient coordination at nearby street intersections and the ability to receive real-time updates on traffic conditions and special events. .

What are the benefits of having smart traffic lights?

The implementation of smart traffic lights offers a number of significant benefits for smart cities:

Reducing road congestion: Real-time optimization of traffic lights reduces traffic jams and improves traffic flow, reducing travel time and greenhouse gas emissions.

Improved road safety: Pedestrian and cyclist detection, along with emergency vehicle prioritization, contributes to greater safety on urban roads.

Energy efficiency: Intelligent traffic light management allows for more efficient use of energy, thus reducing electrical consumption and operating costs.

Reduction of accidents: Proper timing of traffic lights can reduce the probability of collisions by minimizing risky situations.

What are the smart cities that use them?

Several developed cities around the world have already successfully implemented smart traffic lights:

In Copenhagen, Denmark, it uses smart traffic lights that automatically adjust based on traffic conditions and the time of day. This has contributed to the reduction of travel time and the promotion of sustainable means of transport such as cycling.

Likewise, in Sydney, Australia, where it uses smart traffic lights that can detect the speed of vehicles and adjust the timing of the lights to facilitate a constant flow of traffic.

Implementing this class of traffic lights promotes the digital transformation of cities that not only makes them smart but sustainable. Using advanced technologies applied to today’s traffic conditions is a win-win for everyone; for the health of the planet, the quality of life and safety of citizens, the economy, productivity and competitiveness among others, which make this a valuable investment that quickly elevates any city that seeks the green light to address the challenges of urban mobility.