Railroad signal bridge

Okay kiddo, do you know what a train is? It's a big vehicle that runs on tracks that can take people and things from one place to another really fast. But, how does the train know when to stop or go? That's where the railroad signal bridge comes in!

Think of the railroad signal bridge as a traffic light for trains. You know how traffic lights help cars know when to stop or go? Railroad signal bridges help trains know when it's safe to move and when they need to stop.

So, the signal bridge is a really tall structure above the train tracks that has lights and other signs on it. These signs communicate with the train engineer to tell them what they should do. For example, a green light means it's safe to go, a yellow light means to slow down, and a red light means stop.

But, that's not all! The signal bridge also tells the engineer if there's another train on the track ahead or if there's a problem with the track. If there's an issue, the signal will tell the engineer to stop the train until it's safe to continue.

Railroad signal bridges are super important to keep trains and passengers safe. So, next time you see one on a train ride, you'll know it's like a traffic light for trains!