What is the railway signaling in the UK?

The railway signalling system used across the majority of the United Kingdom rail network uses lineside signals to control the movement and speed of trains. The modern-day system mostly uses two, three, and four aspect colour-light signals using track circuit – or axle counter – block signalling.



People Also Ask

The traffic light sequence is red, red and amber, green, amber and then red again. Prepare for your theory test with our traffic lights guide. Traffic lights are one of those things that most learner drivers are familiar with before they even start preparing for their theory test or practical driving test.

MORE DETAILS

A low-voltage electric current is sent between the two rails via a series of relays like the ones in this photo. When a train approaches, the current runs through the train's metal wheels and axles instead of the relays. This short circuit activates the crossing signal.

MORE DETAILS

Shunt signals This type of signal is found in all depots and sidings. It is mounted to the ground unlike regular signals. It has three lights in a triangular shape and two white lights mean proceed at caution whereas any other indication should be taken as a stop signal or a malfunction.

MORE DETAILS