09-07-2013, 08:29 AM
An untimed attempt for comments please:
"a) Under what circumstances is it appropriate to provide track circuit interupters (TCIs)?
b) For the circumstances you have described in a), list the risks being addressed and describe how the provision of the TCI addresses these risks.
c) what happens when, and after, a TCI is operated?
d) What difference would it make if the area was fitted with axle counters rather tha track circuit interupters?"
"a) Under what circumstances is it appropriate to provide track circuit interupters (TCIs)?
b) For the circumstances you have described in a), list the risks being addressed and describe how the provision of the TCI addresses these risks.
c) what happens when, and after, a TCI is operated?
d) What difference would it make if the area was fitted with axle counters rather tha track circuit interupters?"