Various facilities associated with the Road dataset. The following are ‘facility points’ being a point feature class defining a facility related to transport. Bus Interchange: a connection or terminal point for long distance bus travellers or other major transport interchange. Parking Area: an area set aside for the parking of motor vehicles. The following are ‘traffic control devices’ being a point feature class representing structures which control movement of traffic along a road. Level Crossing: a place where a road and railway intersect at the same level. Toll Booth: a structure on a road which requires the user to pay a toll or fee to use the road. Impediment: a structure generally associated with a road that controls or varies the normal travel of vehicles or pedestrians. Roundabout: the notional midpoint of a roundabout that has been constructed to allow smooth integration of traffic. Gate: an opening in a fence or wall for the passage of vehicles or animals and which may contain a device to limit passage. Cattle Grid: an open floored structure designed to be crossed by motor vehicles.

Various facilities associated with the Railway dataset. The following is a ‘facility point’ being a point feature class defining a facility related to transport. Railway Station: a structure beside a railway line with facilities for passengers and freight. The following is a ‘traffic control device’ being a point feature class representing structures which control movement of traffic along a road. Level Crossing: a place where a road and railway intersect at the same level.

Various structural elements are associated with the Railway dataset. The following are ‘crossings’ being a point feature class representing structures that facilitate the crossing of a road or railway over, under or through another feature. Rail Bridge: a structure erected over a depression or obstacle to carry a railway. Rail Tunnel: an underground or underwater railway passage. Rail Culvert; a masonry conduit which serves as a channel-crossing for water or a transport network beneath a railway. Note the ‘ontype’ attributes of railway features which have an obvious topological link to these features.

Airport is a facility, either on land or water, where aircraft can take off or land. It usually consists of hard-surfaced landing strips, a control tower, hangars, and accommodations for passengers and cargo. This data is held and maintained within the NSW Digital Topographic Database (DTDB) and includes key attributes such as airport name.