Name	Data Type	Definition
designator	TextDesignatorType	The textual designator of the taxiway.
type	CodeTaxiwayType	A code indicating a type of taxiway. For example: air taxiway, ground exit/turnoff, rapid exit/turnoff, stub, turn around, etc.
width	ValDistanceType	The value of the physical width of the taxiway.
widthShoulder	ValDistanceType	The value of the taxiway shoulder width.
length	ValDistanceType	Value for the length of the taxiway
abandoned	CodeYesNoType	Indicating that the surface is no longer in operational use, but it is still physically present and visible, although usually in a degraded state.

Association	Multiplicity	Role	To	Role description
hasSurfaceDescribedBy	0..1	surfaceProperties	SurfaceCharacteristics	Surface characteristics of the Taxiway.
isSituatedAt	0..1	associatedAirportHeliport	AirportHeliport	The airport the taxiway is associated with.
isContaminated	0..*	contaminant	TaxiwayContamination	Taxiway contaminant.
hasAnnotations	0..*	annotation	Note
isOperationalBy	0..*	availability	ManoeuvringAreaAvailability	The operational status of the Taxiway.

From	Association	Multiplicity	Role	To	Role description
TaxiwayElement	describesPartOf	0..1	associatedTaxiway	The Taxiway associated with the TaxiwayElement.
GuidanceLine	connects	0..*	connectedTaxiway	Taxiway connected by the GuidanceLine.
DeicingArea	isLocatedOn	0..1	taxiwayLocation	The taxiway associated with the deicing area.
TaxiwayLightSystem	isProvidedFor	0..1	lightedTaxiway	Taxiway lit by the light system.
TaxiwayMarking	isMarkedOn	0..1	markedTaxiway	Taixway that is marked.

1 - Surface Contamination , 1 - Surface Marking , 1 - Taxiway , 2 - AirportHeliport Associations , 2 - Guidance Line , 2 - Surface Lighting Elements , 3 - Runway Operational Point , 4 - Manoeuvring Area Availability