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Northern Ireland Railways NIR Signal Posts
A signal post is a structure that supports the NIR signals. These are visual display devices which convey instructions or provide warning of instructions regarding the driver’s... -
Northern Ireland Railways NIR Culverts
A northern Ireland Railways Structure asset with a span or diameter greater than 450mm and less than 1800mm whose primary purpose is usually, but not exclusively, to permit...
U kunt ook het register raadplegen met behulp van de API (see API documentatie).