4) Its time to recycle a clue that I've not used in months.
This station has no direct services to any capital. To get to one capital, head either way and change once. To get to a second capital, you can head East and change once. To get to the third capital, you can head either way and change twice. Please note that for capital 2, there may be routes heading the other way from this station.
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I think I was harsh with clue 4. I'll help you out a bit.
In order, the capitals are London, Edinburgh, and Cardiff. I actually chose to omit part of the original version of the clue that I had come up with, because I didn't think you guys would like the idea of having to work with the routeing guide for this.