David Walters wrote:
On Mon, 12 Jan 2015 12:01:07 +0000, Roland Perry wrote:
But the trains still have a schedule to keep to, and can just as easily
have to wait at a station for the recovery time to catch up.

And Circle line trains frequently do, as announced by the driver, at Aldgate.

Yes, the Circle line is quite infrequent, so trains do need to be
regulated.