I've looked through all the posts here and in my opinion, SWT are making the law up here. Even if the journey to Southampton should be made by the "shortest possible route or direct trains", the National Rail fares manual does not say that breaks in journey are not permitted if one decides not to travel by the "shortest possible route". If an ordinary passenger bought a Romsey - Southampton return and decided to get off at Eastleigh for whatever reason how would that person know that breaks of journey are, for some reason, forbidden?
And yes, there is a glaring discrepancy in fares. At 08:00 on Monday I went to Romsey ticket office and asked for a return to Southampton Airport. It cost me £5.60!!:-x Given that the return at the same time of day to Southampton Central is £3.70 it's not surprising that most people, like myself, would opt for the latter.
I'll be emailing SWT about this and I'll post any meaningful response.
Thanks for all your help guys
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Ok, this is the email I've sent to SWT. Note that their website makes no mention of a complaints department or complaints recitification service which implies they are not interested in listening to complaints.
To whom it may concern
I recently arrived at Romsey station only to discover that when traveling from Romsey to Southampton via Eastleigh, a break of journey at Eastleigh is not permitted. I believe there are five ticket types available from Romsey to Southampton via Eastleigh or Redbridge, and according to the National Rail Fares Manual, a break of journey is permitted for all types of fare. Moreover, according to National Routing Guide Section A:
Most customers wish to make journeys by through trains or by the shortest route. In both cases they will be travelling on a permitted route, provided the correct fare has been paid to reflect any routeing indicated by the fares manual. You only need refer to the Routeing Guide when a customer is not using an advertised through train or the shortest route.
Therefore, it should be permissible to travel from Romsey to Southampton via Eastleigh with a break of journey, because direct trains run from Romsey to Southampton via both Eastleigh and Redbridge. It is only if I travel via a patently absurd route, such as via Reading, that action needs to be taken. If a passenger, with no knowledge that a break of journey is forbidden, buys a Romsey - Southampton ticket and alights at Eastleigh for an entirely innocent purpose, then that person is technically a fare dodger and liable to a penalty fare. I do not want to see innocent passengers criminalised in this way.
Yours sincerely
PS: I've removed my name from this email, and I haven't mentioned the anomaly in fares between Romsey to Southampton and Eastleigh. This is because the customer services department might take my complaint more seriously, if I do not appear to be a scrounger.