Introduction
Level Crossing Signal is a railway signal that informs the train driver about the status of a level crossing ahead — for example, whether it is safely closed to road traffic and the train can proceed.
Switzerland. The signal KL338B towards Oberriet is the control light for the level crossing BUe km38.5 Burststrasse. This level crossing is not signal-dependent in this direction of traffic and must therefore be monitored via another system. Nowadays, such level crossings are monitored with this control light. Flashing white means the level crossing is properly closed. It can be passed at the designated speed.
Documentation
Syntax
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| Documentation
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signal for trains that indicates an operational state of a level crossing
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| Subschema
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infrastructure
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| Parents*
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signalIS
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| Children
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refersToLevelCrossing (1..*)
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Attributes:
- type: type of the level crossing signal (obligatory;
xs:string)
- Possible values:
- activating: Notice (board) indicating the activation point at technically secured level crossings (with warning light and/or barrier).
- announcing: Announcement signal which indicates the state of the technical safety at technically secured level crossings (with warning light and/or barrier).
- bell: Bell board as a request to the driver to switch on the engine bell
- supervision: final level crossing supervision signal that is located immediately before the level crossing.
- whistle: Whistle board, as a command to the driver to activate the engine whistle.
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*Notice:
Elements may have different parent elements. As a consequence they may be used in different contexts.
Please, consider this as well as a user of this Wiki as when developing this documentation further.
Aspects that are only relevant with respect to one of several parents should be explained exclusively in the documentation of the respective parent element.
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|
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| Documentation
|
signal for trains that indicates an operational state of a level crossing
|
| Subschema
|
infrastructure
|
| Parents*
|
signalIS
|
| Children
|
refersToLevelCrossing (1..*)
|
Attributes:
- type: type of the level crossing signal (obligatory;
xs:string)
- Possible values:
- activating: Notice (board) indicating the activation point at technically secured level crossings (with warning light and/or barrier).
- announcing: Announcement signal which indicates the state of the technical safety at technically secured level crossings (with warning light and/or barrier).
- bell: Bell board as a request to the driver to switch on the engine bell
- supervision: final level crossing supervision signal that is located immediately before the level crossing.
- whistle: Whistle board, as a command to the driver to activate the engine whistle.
|
*Notice:
Elements may have different parent elements. As a consequence they may be used in different contexts.
Please, consider this as well as a user of this Wiki as when developing this documentation further.
Aspects that are only relevant with respect to one of several parents should be explained exclusively in the documentation of the respective parent element.
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| Documentation
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use this child element to specify the level crossing signal in more detail
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| Subschema
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infrastructure
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| Parents*
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signalIS
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| Children
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any (0..*), refersToLevelCrossing (1..*)
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Attributes:
- type: type of the level crossing signal (obligatory;
xs:string)
- Possible values:
- supervision: final level crossing supervision signal that is located immediately before the level crossing.
- activating: Notice (board) indicating the activation point at technically secured level crossings (with warning light and/or barrier).
- announcing: Announcement signal which indicates the state of the technical safety at technically secured level crossings (with warning light and/or barrier).
- whistle: Whistle board, as a command to the driver to activate the engine whistle.
- bell: Bell board as a request to the driver to switch on the engine bell
|
*Notice:
Elements may have different parent elements. As a consequence they may be used in different contexts.
Please, consider this as well as a user of this Wiki as when developing this documentation further.
Aspects that are only relevant with respect to one of several parents should be explained exclusively in the documentation of the respective parent element.
|
Changes 3.1→3.2
There exists an overview of all changes between railML® 3.1 and railML® 3.2 on page Dev:Changes/3.2.
The element documentation has been changed.
The children have been changed.
The attributes have been changed.
Semantics
Best Practice / Examples
<signalIS id="sig35" isSwitchable="true">
<isDangerSignal/>
<isLevelCrossingSignal type="announcing">
<refersToLevelCrossing ref="lcr1" />
</isLevelCrossingSignal>
<signalConstruction type="light"/>
</signalIS>
<signalIS id="sig35" isSwitchable="true">
<isDangerSignal/>
<isLevelCrossingSignal type="supervision">
<refersToLevelCrossing ref="lcr1" />
</isLevelCrossingSignal>
<signalConstruction type="light"/>
</signalIS>
<signalIS id="sig35" isSwitchable="false">
<isAnnouncementSignal/>
<isLevelCrossingSignal type="whistle"/>
<signalConstruction type="board"/>
</signalIS>
Additional Information
Notes
For context see https://www.tf-ausbildung.de/SignalbuchOnline/allgemeinesbuesignale.htm (external link)
Open Issues
References
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