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Thread: Asking: Heathrow to Guildford - Rail only
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Old Jan 26, 2012 | 5:57 pm
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GRALISTAIR
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Interestingly you will use 25KV AC overhead electric trains for the 1st leg. You would use 600V DC 4th rail for underground and then finally 750V DC Third rail electric for the final leg. 3 different types of electric train/electrification systems in quite a short ride. That IMHO is not too bad.
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