In message , at 16:25:30 on Thu, 9 Feb 2012,
frank paulsen remarked:
i don't know if i understand 'doubling back' correctly, but if it is
similar to what i would call a 'return', it is not allowed with a single
ticket in VRR (Verkehrsverbund Rhein Ruhr), VRS (Verkehrsverbund Rhein
Sieg) or even Berlin or Munich.
"Doubling back" means a journey with a "u-turn" in it (encompassing at
least one station you've already been through)
For example, Bristol to Oxford with a change at Reading, rather than
Didcot.
http://www.firstgreatwestern.co.uk/~...gwRouteMap.pdf
--
Roland Perry