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(1) Permitted routes are, as you have worked out, often something of a "dark art". The easiest thing to do is to do an enquiry at Nationalrail.co.uk . If you have a specific "via" point then add that, and use the fare and itinerary thus offered. Note that you can **always** travel (using an "Any Permitted" ticket) on a through train between your two places regardless of its route, and regardless of what the maps say a permitted route is.
(2) A break of journey occurs when you exit the station. Whether you can do so depends on the T&C for the specific ticket type you are using. For some it's no; for some, it's only on the return trip; for some it's yes. The cheapest fares ("advance") are highly restricted; you MUST travel on the exact train chosen.
(3) Unless there were a through train (unlikely) then it's most probably not a permitted route. I guess you've worked that out, too. |
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