What are traffic control signals and how do they work?

What are traffic control signals and how do they work?

Traffic control signals are devices used to manage vehicle and pedestrian traffic at intersections. They use colors like red, yellow, and green to indicate when to stop, prepare to stop, or go.

Why do we need traffic signals?

Traffic signals are essential for ensuring safety on the roads. They help prevent accidents by controlling the flow of traffic and providing clear instructions to drivers and pedestrians.

How do traffic signals communicate with each other?

Many modern traffic signals are interconnected through a system called traffic signal control systems. These systems can adjust signal timings based on real-time traffic conditions.

What happens during a power outage?

During a power outage, traffic signals may go dark, and drivers should treat the intersection as a four-way stop. Some signals have backup power systems to maintain functionality.

Are there different types of traffic signals?

Yes, there are various types of traffic signals, including standard traffic lights, pedestrian signals, and countdown timers, each serving specific purposes.