Part of a route or network consisting of a junction location and an entry and exit link for that junction.
 

[data structure] TINs are vector-based models depicting three-dimensional elevation surface terrains.

[surveying] A traverse is a set of survey stations along spanning a survey. Traverses are closed when they return to their starting point.

Transportation data are used to model the geographic locations, interconnectedness, and characteristics of the transportation system within the United States. The transportation system includes both physical and nonphysical components representing all modes of travel that allow the movement of goods and people between locations.

Source: OMB Circular A–16: Appendix E (2002) Category: NSDI Data Themes (NDT)

Collection of data for the purpose of a data transfer.

Person’s activity to switch between transport modes, transport networks or transport means.

Device (tag) carried by a vehicle to allow it to determine its location or to be sensed by external objects of known location.

[editing] Topology is a set rules that dictates the spatial properties of point, line and area features such as connectivity, adjacency and contiguity.

[software] Topography is the study and mapping of Earth’s features including land surfaces, relief (relative positions and elevations) and the position of natural (water features, physiographic features, etc.) and constructed features (boundaries, cities, parks, landmarks, transportation, buildings, etc.)

Value of time at which an object's state is measured and recorded.

[data structure] A thematic layer is a distinct spatial entity in a data layer. They are usually delineated as points, lines and polygons.

Gridded data whose attribute values describe characteristics of a grid coverage feature in a grid format.

Set of conventions defining the origin, scale, orientation and time evolution of a spatial reference system co-rotating with the Earth in its diurnal motion in space.