Controlling Trains – Network Rail engineering education (3 of 15)

[train passing] ♪ pizzicato background music ♪ (Narrator) Britain’s rail network transports 3 million passengers and 400,000 tonnes of freight a day. With hundreds of trains using it at any one time. All this traffic presents us with a safety challenge. Trains are guided by rails, so it’s impossible for them to swerve or pull […]