Terms for ISO TC 204 WG 9

WG	Clause	Term	Definition
9	3.1.2.4	intelligent transport system	technology system that is designed to benefit a surface transport system
9	3.1.10.1	data concept	immaterial entity that defines data using, at a minimum, an unambiguous identifier, a term, and a definition
9	3.1.11.2	data element	data concept represented by a specific value domain and that describes a single atomic property about an object class.
9	3.1.11.3	data frame	data concept represented by a specific aggregate domain and that describes information of interest through a useful grouping of more atomic properties about one or more object classes.
9	3.1.11.5	message	data concept that is a grouping of data elements, data frames, or data elements and data frames that is used to convey a complete set of information
9	3.1.11.7	value domain	data concept that defines a set of permissible values
9	3.2.1.2	field system	ITS component that performs localized surveillance, traffic control, information provision, payment transaction, wireless communication services between mobile elements and fixed infrastructure, and/or other services.
9	3.2.2.3	maintenance and construction management system	centre system that allows an entity to monitor and manage the construction and maintenance of roadway infrastructure
9	3.2.2.6	traffic management system	centre system that monitors and controls traffic and the road network
9	3.2.3.1	field support equipment	portable field system used by field personnel to locally troubleshoot, initialize, reprogram, and test infrastructure equipment
9	3.2.3.2	ITS roadway equipment	field system that performs localized surveillance, traffic control, information provision, and/or payment transaction services
9	3.2.6.1	vehicle onboard equipment	vehicle system that provides the onboard functions necessary to support the ITS services supported by the vehicle
9	3.2.9.4	ITS-S application process instance	run-time instance of an ITS-S application process installation
9	3.3.1.6	carriageway	contiguous width of roadway
9	3.3.1.4	dual carriageway	roadway comprised of exactly two carriageways
9	3.3.1.1	easement	stretch of land reserved for transportation purposes
9	3.3.1.8	lane	portion of easement intended for a specific purpose along its length with adequate clearance for its purpose
9	3.3.1.10	lay-by	short lane at the edge of a carriageway designed to allow a motor vehicle to temporarily stop while traffic in other lanes proceed
9	3.3.1.5	multi-carriageway	roadway comprised of more than two carriageways
9	3.3.1.12	reserved lane	travel lane restricted to a specific subset of motor vehicles
9	3.3.1.14	roadside	portion between one edge of the easement and the closest edge of a carriageway
9	3.3.1.2	roadway	part of the easement designed for use by motor vehicles
9	3.3.1.7	separation barrier	barrier that separates carriageways
9	3.3.1.11	shoulder	lane between the edge of a carriageway and any slope or edge of right-of-way
9	3.3.1.3	single carriageway	roadway comprised of exactly one carriageway
9	3.3.1.9	travel lane	lane designed for the through movement of motor vehicles
9	3.3.1.13	traveled way	collection of all travel lanes of a carriageway
9	3.3.2.3	lane link	lane with starting and ending points that correspond to the starting and ending points of a road link
9	3.3.2.4	lane section	complete sequential series of lane segments within a road section
9	3.3.2.5	lane segment	complete sequential series of lane links within a road segment
9	3.3.2.2	path link	collection of all lane links of the same road link and carriageway designed for travel in the same direction
9	3.3.2.6	road	contiguous curvilinear length of the road network that shares the same name
9	3.3.2.7	road link	contiguous length of a road segment that is described by the same set of physical characteristics
9	3.3.2.8	road network	interconnected collection of non-rail routes designed for the movement of motorized, land-based, wheeled vehicles up to 2.5 metres in width
9	3.3.2.9	road section	contiguous length of a road that shares the same management and operational characteristics
9	3.3.2.10	road segment	contiguous length of a road section bounded by a junction, a jurisdictional boundary, a road section boundary, or a termination point at both ends
9	3.3.3.5	egress lane	travel lane designed for exiting from a junction
9	3.3.3.8	egress link	directional lanes link representing all egress lanes on a road link
9	3.3.3.4	ingress lane	travel lane designed for entry into a junction
9	3.3.3.7	ingress link	directional lanes link representing all ingress lanes on a road link
9	3.3.3.3	interchange	junction where at least one movement is grade separated from all other movements
9	3.3.3.2	intersection	at-grade junction, or a portion thereof, that is operated as a single entity
9	3.3.3.1	junction	nexus where two or more roads meet in a manner that allows travellers to change roads
9	3.3.3.6	maneuver	movement from an ingress lane to an egress lane