Heathrow T5 and T4 tube trains
Paul Scott wrote:
Perhaps what they could have done was switched the running lines
lh/rh on the surface somewhere so that all trains could run to T123
first, and then use the T4 loop the other way round, or go to T5.
I suggested on this newsgroup 4 years ago that the existing flyover at
Northfields could have been used to do exactly that...
|