LNW-GW Joint
Veteran Member
Wolverhampton to Walsall. Unless you catch the early morning 'ghost train' (no return) this service will go via Birmingham New Street. I am old enough to remember doing that journey by Trolley Bus which would have been quicker. Unfortunately somebody built the M6 motorway which severed the trolley bus wires.
It will get worse if the Crewe-Stoke-Stafford service is routed via Birmingham to Rugeley!
Not exactly comparable, but the Wirral Loop Line from Hamilton Square under Liverpool produces "circular" services back to where the train started (Chester-Chester etc).
There are also some which loop to another destination or to Birkenhead North depot.
Something similar happens on the Glasgow south network (Whifflet?) now more of it is wired.
And now there's an East Lancs circular: Manchester Vic-Todmorden-Burnley-Blackburn-Bolton-Manchester Vic.