Tom Anderson wrote:
ISTR that one can buy a ticket on the train.

Or am i thinking of the Stansted Express?

One can on both [avoids temptation to make bad 'One' pun] - in both
cases it means one can't use a railcard, and on the HEx case you get
charged an extra couple of quid.

--
John Band
john at johnband dot org
www.johnband.org