Dave Arquati wrote:

Going back to the branding, all "Overground" lines will appear on the
Tube map, which TfL has released a sample of for 2010. Interestingly,
the line style (white centre with orange edges) looks much like the old
style used to show selected British Rail lines (like Thameslink and the
NLL) about fifteen years ago.
http://news.bbc.co.uk/1/shared/bsp/h...06_tubemap.pdf

That map throws up a few extra bits of information by itself, such as:
[snip]
.... also Roding Valley still has the restricted service dagger (no
service Woodford - Hainault after 2000 hours), but Chigwell and Grange
Hill have lost theirs. Do I remember reading somewhere recently that
this part of the Central line will open until normal close of service
from some time soon, or is this just an oversight on the cartographer's
part?

One thing that slightly surprised me was that no wheelchair access is
planned (according to the map) for most of the pre-existing stations to
be served by the new ELL/ELR. I guess these inherit their inaccesbility
("grandfather rights?") from the fact they currently have train
services, even if those services might be suspended for a time and then
significantly change on resumption.

I imagine Wapping in particular would pose a huge (financial and/or
engineering) problem. It seems a bit mean not to at least make West
Croydon fully accessible though, which surely wouldn't be a very
difficult job?