* @field incidentIndication: the optional incident related to the roadworks to provide additional information of the roadworks zone.
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* @field recommendedPath: the optional recommended itinerary in order to contour the roadworks zone.
* A recommended path is presented with a list of path points in the order from the starting point closest to the roadworks zone to the end point of the recommended path.
* If present, a recommended path shall be a list of path points in the order from the starting point closest to the roadworks zone to the end point of the recommended path.
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* @field startingPointSpeedLimit: the optional effective starting position of a speed limit being applied to the roadwork zone.
* @field startingPointSpeedLimit: the optional effective starting position of a speed limit being applied to the roadwork zone, w.r.t. the component eventPosition on the Management Container.
* This component shall be present if the speed limit is applied at a certain distance prior to the roadwork zone starting position.
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* @field trafficFlowRule: optionally indicates the side of the road to which the traffic should flow around a roadwork.
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* @field referenceDenms: an optional sequence of actionIds for different DENMs that describe the same event. If it is available, it indicates the actionIds of all other DENMs describing this event.