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Location Level (LLE)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: lle.ttl

Name
locationLevel
Datatype
Integer
Definition
Indicates the relative relational vertical position between overlapping transportation features.
Description
This attribute indicates the relative level of a transportation feature which overpasses or underpasses another transportation feature. The reference level is the lowest transportation feature at any given location where transportation features are overlapping, which is given a value of zero (0). When a transportation feature passes over another transportation feature having value 0, it gets the value 1. In the case of a more complex interchange, it can happen that several transportation features (Railway, LandTransportationWay, Canal, etc. ) may overlap and additional levels for an over-passing transportation feature will be needed, which will get a value of 2 (or more depending on the number of overlapping transportation features). The lowest transportation feature at any location may be below ground level. Regardless of whether the transportation feature is below the surface, on the surface, or above the surface, the lowest feature will always have the value of 0. Since transportation features are not overlapping other transportation features for much of their length, the value of 0 will be applied most commonly. In cases where location level cannot be determined, the 'no information' value (-999999) should be used.
Accepted
2024-01-12
Defined by
ERM
Physical quantity
pureNumber
Recommended unit
Unitless
Used by

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.