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

Why do we do maintenance and #engineering work at night❓ 👉 https://networkrail.co.uk/stories/why-we-do-maintenance-and-engineering-work-at-night/ 🛤️ The main reason is because we look after 20,000 miles of track and it wouldn’t be possible for us to develop and maintain it all if we were constricted to daytime hours. #RailwayExplained | Network Rail