Railway layer

The Railway layer represents any kind of runways for wheeled equipment.

Name	Type	Constraints	Definition
the_geom	LINESTRING	X Y dimensions	Geometry
id_rail	INTEGER	Primary Key	Unique Identifier
id_source	VARCHAR	not null	Identifier of the feature from the input datasource
type	VARCHAR	not null	Type of rail
zindex	INTEGER		Defines the position with respect to the ground. 0 indicates that the object is on the ground. 1 to 4 indicates that the object is above the ground surface. -4 to -1 value indicates that the object is underground.
crossing	VARCHAR		Indicates whether the rail section is located on a bridge, in a tunnel or neither (value=crossing).

type column values

List of all possible values for the type values.

Term	Definition	Source
highspeed	Railway track for highspeed rail.	1
rail	Railway track for full sized passenger or freight trains in the standard gauge for the country or state.	2
service track	Railway track mainly used for sorting or temporary parking of freight trains.	3
disused	A section of railway which is no longer used but where the track and infrastructure remain in place.	4
funicular	Cable railway in which a cable attached to a pair of tram-like vehicles on rails moves them up and down a steep slope, the ascending and descending vehicles counterbalancing each other.	5
subway	Rails used for city public transport that are always completely separated from other traffic, often underground	6
tram	Railway track which is mainly or exclusively used for trams, or where tram tracks are laid within a normal road open to all traffic, often called street running.	7

crossing column values

List of all possible values for the crossing values.

Term	Definition	Source
bridge	Artificial construction that spans features such as roads, railways, waterways or valleys and carries a road, railway or other feature	1
tunnel	Underground passage for roads, railways or similar	2
null	Everything but a bridge or a tunnel