By default, the Elevation of a segment is '''Ground''' (zero).
The Road Elevation should be changed '''only''' where one road passes over another. When two segments overlap but do not actually connect in the real world, the value of Elevation for each segment must be different. This ensures that the Waze problem detection system doesn't flag the spot where two segments overlap as a location where a junction might be needed.
The visual representation of the relative Road Elevation is different when viewed in the Waze Map Editor (WME) and the Client application.