Guidance

NTSN: Northern Ireland

National Technical Specifications Notice (NTSN) relating to Northern Ireland (NI).

From:
Department for Transport
Published
12 June 2025

Applies to Northern Ireland

Documents

PDF, 226 KB, 6 pages

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Details

This National Technical Specification Notice (NTSN) for Northern Ireland (NI) applies to rail projects that will seek authorisation to place new, upgraded or renewed railway infrastructure into service in Northern Ireland only.

罢丑别蝉别听NTSNs聽have been published by the Secretary of State for Transport according to regulation 3B of the聽.

Updates to this page

Published 12 June 2025

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