Name	Data Type	Definition
designator	TextNameType	The identifier of a guidance line on a taxiway.
type	CodeGuidanceLineType	The type of guidance line on a taxiway.
maxSpeed	ValSpeedType	The maximum ground speed permitted on a taxiway.
usageDirection	CodeDirectionType	Indicates the direction in which the guidance line can be used with reference to the start and end points of the associated ElevatedCurve.

Association	Multiplicity	Role	To	Role description
connects	0..*	connectedStand	AircraftStand	GateStand connected by the GuidanceLine.
connects	0..*	connectedApron	Apron	Apron connected by the Guidance Line.
connects	0..*	connectedTouchDownLiftOff	TouchDownLiftOff	The TouchDownLiftOff zone connected by the Guidance line.
connects	0..*	connectedRunwayCentrelinePoint	RunwayCentrelinePoint	Centreline Point connected via the Guidance line.
hasAnnotations	0..*	annotation	Note
hasShape	0..1	extent	ElevatedCurve	Extent of the guidance line.
connects	0..*	connectedTaxiway	Taxiway	Taxiway connected by the GuidanceLine.

From	Association	Multiplicity	Role	To	Role description
GuidanceLineLightSystem	isProvidedFor	0..1	lightedGuidanceLine	The GuidanceLine lit by the GuidanceLineLightSystem.
GuidanceLineMarking	isMarkedOn	0..1	markedGuidanceLine	GuidanceLine that is marked.
TaxiHoldingPosition	isLocatedOn	0..1	associatedGuidanceLine	The Guidance Line containing the TaxiHoldingPosition.

1 - Surface Marking , 2 - Guidance Line , 2 - Surface Lighting Elements , 3 - Runway Operational Point , 3 - Taxi Holding Position