situation | EnumerationLiteral
| 0 | Message selected as the result of a situation occuring either on or off the road which may affect road users. |
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operatorCreated | EnumerationLiteral
| 1 | Message selected by operator as the result of an unmanaged event or situation. |
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trafficManagement | EnumerationLiteral
| 2 | Message selected as part of the implementation of a traffic management action. This may or may not be part of a specific traffic management or diversion plan. |
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travelTime | EnumerationLiteral
| 3 | VMS is currently selected to display travel times. |
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campaign | EnumerationLiteral
| 4 | VMS is currently selected to display a campaign message. |
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default | EnumerationLiteral
| 5 | VMS is currently selected to display default information (e.g. time, date, temperature). |
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