can an electric double-decker train share a line with a single-decker electric train?

Question by Secret Spy Agent: can an electric double-decker train share a line with a single-decker electric train?
just curious, the city where I live in 100% the trains are double-deck, would just like to know because I am Curious George 🙂

Best answer:

Answer by rdenig_male
Yes, of course they can – if the infrastructure is large enough for a double decker, it will be suitable for a single decker.. Your question should actually be phrased the other way round – can double decker trains share a line with a single decker. The answer then would be possibly no – as in London, where people keep asking ‘why can’t we have double deck trains to relieve crowding’ without realising the enormous costs that would be involved in raising bridge heights etc.

To the second answerer – the catenary is the wire and other infrasrtructure carrying the power. What might have to be heightened slightly is the unit’s ‘pantograph’ which collects that power – but those are sprung loaded. They are rarely used at their full extent anyway.

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