## Description There can be gates installed at different locations within a tunnel. For clear locating they need to be included in functional infrastructure. The locations can be at the portals or somewhere inbetween the tunnel. ### Links * Forum discussion * Jörg von Lingen, 23.01.2021: [https://www.railml.org/forum/index.php?t=msg&th=793&goto=2646&#msg_2646] * Git issues * #449 * #450 * #466 * Wiki documentation * IL:tunnelGateIL: [https://wiki3.railml.org/wiki/IL:tunnelGateIL] ## Proposed solution for railML 3.2 Add new element `<TunnelGateIS>` in functionalInfrastructure with children elements for - location (like any other functional infrastructure element) - reference to tunnel (overCrossing) by new attribute `@installedInTunnel` (tRef)