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suggestion for new sub element <isLevelTransitionSignal> [message #3226 is a reply to message #3194] Fri, 19 April 2024 09:41 Go to previous message
Torben Brand is currently offline  Torben Brand
Messages: 158
Registered: March 2016
Senior Member
In my previous post (23.2.2024) I did an analysis of all signals in the Norwegian signal rule book [1]. All signals are grouped with the existing sub elements under signalIS [2], except the level transition signals. The level transition signals are signal system independent (ETCS, optical, semaphore etc.) and would be relevant for all nations. Examples would be:
- going from ETCS level 2 to conventional signalling (37A, 37B) [6]
- going from a depot to the supervised line (104A,104B) [3]
- work areas (105A-D) [4]
- ATC start/end signals (60F, 60G, 60H) [5]

Thus, I suggest to add the sub element <isLevelTransitionSignal> in railML3.3 under <signalIS>.

The definition could be "signal that defines the point at where the traffic rules change".

We could add an attribute to define the type, but the grouping through the element would be sufficient for our purpose. The individual types of level transition signals would then be defined through the use of <typeDesignator>.


[1] https://orv.banenor.no/orv/doku.php?id=tjn:Kapittel_8
[2] https://wiki3.railml.org/wiki/IS:signalIS
[3] https://orv.banenor.no/orv/doku.php?id=tjn:Kapittel_8#signal er_for_driftsbanegard
[4] https://orv.banenor.no/orv/doku.php?id=tjn:Kapittel_8#signal er_for_arbeid
[5] https://orv.banenor.no/orv/doku.php?id=tjn:Kapittel_8#skilt_ for_atc
[6] https://orv.banenor.no/orv/doku.php?id=tjn:Kapittel_8#signal _for_systemovergang_til_og_fra_niva_2

 
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