Original document : https://www.gov.uk/government/publications/rail-interoperability-current-notified-national-technical-rules

Change description : 2025-04-24 10:15:00: GMRT2400 Engineering Design of On-track Machines in Running Mode issue 6.2 superseded by issue 6.3. [Guidance and regulation]

Showing diff : 2024-10-08 13:41:56.663544047 +00:00..2025-04-24 09:15:45.403476085 +00:00

Guidance

Rail interoperability: current national technical rules

National technical rules (NTRs) supplement National Technical Specification Notices (NTSN) with network or country-specific requirements.

Update history

2025-04-24 10:15
GMRT2400 Engineering Design of On-track Machines in Running Mode issue 6.2 superseded by issue 6.3.

2024-10-08 14:41
Vehicle rules updates: revisions to GERT8006 issue 4 and GMRT2141 issue 5. Infrastructure rules updates: revisions to GKRT0057 issue 2 and GERT8006 issue 4. New guidance GEGN8616 added and applies to new rail vehicles and new and modified bridges.

2024-07-22 13:06
National technical rules for infrastructure: infrastructure based train detection interface requirements issue 3.2 (GKRT0028) and G 3.1.7 guidance added.

2024-03-22 14:36
Infrastructure list updated: GCRT5021 track system requirement standards added, appendices A to H have been withdrawn and out-of-date reference in GMRT2173 (issue 4 size of vehicles and position of equipment) removed.

2024-01-15 16:17
In the infrastructure rules, GIRT7073 has been amended to remove an incorrect reference. There is no change to the vehicle rules.

2023-08-04 11:20
GIRT7073 entry amended to include requirements relating to cross-wind adjustments and structure gauge considerations. Other rules listings were updated to replace references to TSI with references to NTSN.

2023-03-15 09:43
Updates made to GLRT1210 and GMRT2111 to reflect recent technical changes made.

2022-12-20 14:00
Updated entries for GERT8073 in both lists plus GKRT0028 (infrastructure) and GMRT2173 (vehicles).

2022-09-20 11:59
Updated entries for GMRT2173 and GIRT7020 to alter their issue numbers and reflect wider changes made to both.

2022-07-15 13:35
Information updated confirming that no changes have been made in the June to September 2022 period.

2022-03-31 09:36
Updated entry for GMRT2161 to replace reference to TSI with reference to NTSN.