Can anyone please clarify a few points regarding the Stop and proceed
rule on LU? First how long does a train require to be held at a danger
signal before the rule is applied? Secondly does the driver need to
leave his/her seat to do whatever he/she needs to do to cancel the
trainstop device? Thirdly if the driver can see the preceding train
(let's assume it has failed) stopped at the next signal in advance,
does he/she still apply the rule and draw up (how close?) behind the
failed train or does the train behind the failure remain at the
previous signal (maybe until given specific instructions). Finally is
there a signal display which conveys the message "Don't Apply the Rule
at this Signal"? What I'm thinking of is if a signal in advance of a
junction stuck at red you wouldn't want the prospect of a driver
applying the rule and then being run into by a train on a conflicting
route.

Thanks in advance
gordon