sweek wrote:

Just a question about this...
If I travel on the DLR to Heron Quays and get on the Jubilee there, do
I have to touch out at Heron Quays?

Yes. Well, I would do so. I'm almost certain that where a passenger
uses an out-of-station interchange (i.e. one that requires exit from
one station and subsequent entry to another) they should touch-in and
touch-out everywhere as if they were completing two seperate journeys -
but note it won't cost you any more.

A combined journey DLR and Tube journey with an interchange between
Canary Wharf Jubilee station and Canary Wharf DLR/ Heron Quays DLR
would be counted and priced as a single journey on Oyster as long as
the passenger completes the interchange within a reasonable time. I'm
not sure what this time limit is, but it'll be generous enough not to
worry about - definitely enough time to walk relatively slowly and buy
a newspaper.


Can touching out unnecessarily ever actually cost me out?

AFAIA, no.

Nor (again AFAIA) will it cause any problems if you touch-in a second
time, say if you weren't sure if you're first attempt was successful.
Plus you won't be penalised if you touch-in un-neccesarily on an Oyster
reader on a platform if you've already gone through gates in that same
station.

(Touching out when using a tram could potentially cost you, but that's
because trams are like buses - you only touch-in!)