wrote:

On Tue, 15 Feb 2011 16:11:25 -0000
"Mizter T" wrote:
When you've got signalling equipment dating back to the 1920's operating
on
the SSL, plugging in new kit to interface with that isn't likely to be a

There was old equipment on the northern and piccadilly too but they
managed
to get them working on there so where theres a will...

As I said I'm not expert, but my understanding is that the signalling
equipment was/is newer on those lines than on the SSL.

Where there's a will *and a budget* there's a way - generally it's difficult
to do such things without any funding.