On May 1, 11:49 am, THC wrote:
AFAIAA the West Ruislip extension was built to a sub-surface stock
loading gauge, so all the way to North Acton would be my guess. I am
fairly sure that April's Underground News contains a picture of a new
A stock set, in the process of being delivered, at that location.

Was there a connection to the main line there at one time or did it
come up from Ealing Broadway?

B2003