22-10-2010, 02:07 PM
I think there are some anomalies here too. I must admit, I have not often heard the term of a signal being normal (as opposed to a route or points).
PJW, you say about a route being normal when the signaller has cancelled the route and the signal is at red and proved at red, but in pure terms, would you not expect all approach locking and route holding to have timed out (you certainly would not set route A which required route B normal until this is so).
I guess historically it all comes from the position of the lever controlling that signal. If the lever is normal then it would directly relate to an "aspect".
PJW, you say about a route being normal when the signaller has cancelled the route and the signal is at red and proved at red, but in pure terms, would you not expect all approach locking and route holding to have timed out (you certainly would not set route A which required route B normal until this is so).
I guess historically it all comes from the position of the lever controlling that signal. If the lever is normal then it would directly relate to an "aspect".