"Mizter T" wrote:
Something I'm not sure I've ever seen is a ticket inspection on board a Tube
train though.

About 3 or 4 years ago I had my ticket inspected on a Jubilee line
train between Green Park and Waterloo. There was a small group of
people in plain clothes standing by the doors when I got on and as soon
as the doors closed and the train departed they whipped out little
police-style leather-bound ID cards and LT badges and fanned through
the car asking to see people's tickets.

Roy