The railway’s attitude to signalling has changed a lot in the past few decades. In times gone by it was often regarded as something one unfortunately needed to run trains safely. On a modern metro railway it is now more positively seen as an enabler that helps maximise capacity. With the publication of an item on legacy signalling for the Programmes and Investment Committee and various other recent publications, it seems a good time to look at the London Underground Signalling strategy, ...
The move to electric drivetrains and renewable energy to power them is important, but what happens when we reach the goal of running all vehicles on electricity? This alone won’t ‘fix’ the environment, and unfortunately this alone also won’t ‘solve’ all the environmental issues associated with mobility and transport. There is more to do, we should not focus solely on electrification, and we should start thinking about the other problems now. Perhaps the biggest environmental issue ...
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