Paul Corfield wrote in
:


A couple of immediate points

1) All travelcards regardless of zones are valid everywhere.
Therefore you have bus validity throughout Zone 1 - this just picks up
your comment about walking from Whitechapel. You could just as easily
take a 25 bus direct to Forest Gate or the 205 round to Liverpool St.


pedant

Obviously "All travelcards regardless of zones are valid everywhere."
applies only to buses, not the underground (and it gets complicated for
Tramlink!)

/pedant