Railway tunnels are represented as approximate centrelines of the railway that runs through the tunnel.
UML class diagram for the RailwayTunnel, RailwayTrack and RailwayStation Feature Types, and the RailwayTrackClassification and RailwayStationClassification Code Lists.
RailwayTunnel attributes
featureCode
A unique feature code to facilitate styling.
Type: Integer
Multiplicity: [1]
geometry
Line representing the alignment of the railway tunnel.