A signalling system collects all the information needed to tell train drivers when it's safe to move forward. 🚥 When it detects a problem, signals turn red and stop trains running. We understand delays are frustrating, but red signals are there to keep everyone safe: ➡️ https://www.networkrail.co.uk/running-the-railway/looking-after-the-railway/delays-explained/signals-and-points-failure/?utm_campaign=PPF&utm_content=1749669064&utm_medium=social&utm_source=facebook #DelaysExplained #Signalling

Stop!!! The iconic beauty of the semaphore railway signal. Becoming very rare on the main rail network, but still found working on heritage rail lines. Also, no model railway is complete without them!!#uktrainspotting #trains #diesellocomotive #britishrailways #railway #railways #trainspotting #railroad #modelrailway | Adrian Watson