. . "Unique tunnel identification or unique number within Member State.\nIn https://eur-lex.europa.eu/eli/reg_impl/2019/773/oj 3.2.3 Tunnels: location, name, length, specific information such as the existence of walkways and points of safe egress as well as the location of safe areas where evacuation of passengers may take place; fire safety categorisation."@en . "1.2.2.0.5.2" . . "stable" . "OPTrackTunnelIdentification" . "Tunnel identification"@en . "OPSidingTunnelIdentification" . "1.1.1.1.8.2" . . "2021-08-03"^^ . "1.2.1.0.5.2" . . . "SOLTunnelIdentification" . "2021-09-13"^^ . "3.2.3" . .