🚦 We talk a lot about signals but what are they and how do they keep the railway running❓ 🚆 Signals tell train drivers when it's safe to go and what routes their trains will take. 🎬 Watch for more ... #DelaysExplained #Signalling | Network Rail

🎥 Britain's biggest ever signalling upgrade gets closer to completion, a special team descends in Warwickshire and contactless giving arrives at London Bridge station. It's the May edition of #YearOnTheNetwork! Catch up ➡️ http://bit.ly/34AtQjM | Network Rail

This set of vintage railway signal lights now resides at the newest Toronto Public Library branch in the Junction Triangle as a tribute to the area’s rich transit history. | Metrolinx

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