Goblin had overhead line problems yesterday and a reduced
service with 172s only was in operation.
I suspect that the decision to continue terminating the service
at Gospel Oak and consequently have four car trains instead of
five will cause over crowding quite quickly. Already some of the
378s are pretty full with standing passengers.
If the great mantra of rail enthusiasts - suppressed demand - is
valid, the line might well see increased patronage long before
the Barking Riverside extension comes into play. It's possible
that eventually four car trains will be inadequate. Then, TfL will
have to negotiate for paths between Gospel Oak and Willesden
Junction and the platforms will have to be extended further. My
local station could easily accommodate six car trains.