On Sat, 05 Jun 2004 04:05:28 +0100, Barry Salter
wrote:



If memory serves, extension tickets *never* work the barriers, be they
priv or public rate.

Normal ones do. But only at the "extension" end, of course.

As otherwise you could just buy an extension ticket
for a pound or whatever it is and travel from, say, Heathrow to
Cockfosters...

They should only be issued if you show them the ticket which you are
"extending"