On Sun, 31 Dec 2006 08:19:38 -0500, David of Broadway wrote:

PS ISTR that the technical term for what i'm called
'behind-the-barriers' interchange is 'fare-paid' - is that right, or is
my mind going?

In NYC we speak of that area as being inside fare control. I don't know
if that term is also used in London.

IIRC the LU Conditions of Carriage uses the term "Compulsory Fare
Area".