"lineReferenceTunnelEnd - lineNationalId (1.1.1.1.8.4): The tunnel's kilometer at its end must have at least one reference to a specific national railway line and this reference must be an URI."@en . "false"^^ . _:vb15574 . . . _:vb15552 . "local" . _:vb15552 _:vb15574 . . _:vb15552 . . . "A reference to a specific national railway line." . . . . _:vb15574 .