Find out what changes to the Standards Catalogue & Rule Book were published in March 2026.
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Plant
One new plant technical note has been published and one has been updated.
TN4300 Issue 1 ― Key plant principles
A single document providing general information about using railborne plant and other plant.
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Rolling Stock
One new rolling stock standard and two updated standards have been published.
RIS-2716-RST Issue 1 ― Rolling Stock Subsystem and Interfaces to DC Conductor Rail Energy Subsystem
The requirements in this standard provide greater flexibility in their application by removing prescriptive elements for DC rolling stock subsystems that lacked consistent national relevance.
GMRT2113 Issue 2 ― Rolling Stock Subsystem and Interfaces to DC Conductor Rail Energy Subsystem
The content of GMRT2113 has been revised to take account of insights that have arisen from research and requests from industry.
RIS-2747-RST Issue 2 ― Functioning and Control of Exterior Doors on Passenger Vehicles
Among other amendments, the revised standard now includes new technologies such as light curtains and sensitive edge.
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Control, command, and signalling
One Control, Command and Signalling standard and one Guidance Note have been updated in the latest release.
GEGN8611 Issue 2 ― Guidance on the Application of the Control, Command and Signalling NTSN
This document provides guidance on the interpretation and application of technical requirements given within the Control, Command and Signalling National Technical Specification Notice (CCS NTSN).
GERT8402 Issue 4 ― ERTMS/ETCS DMI National Requirements
This document will provide a common approach, avoiding individual implementations by industry. Misinterpretation of the standard caused operational problems and resulted in several deviations.
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Energy
One new Energy standard has been published. One standard and one Guidance Note have been updated.
RIS-1852-ENE Issue 1 ― DC Conductor Rail Energy Subsystem and Interfaces to Rolling Stock Subsystem
This Rail Industry Standard includes requirements regarding short circuiting bars, hook switch operating tools, tunnel emergency circuits and compatibility with heat emissions from trains and position of signals.
GLRT1212 Issue 2 ― DC Conductor Rail Energy Subsystem and Interfaces to Rolling Stock Subsystem
This standard has been revised to take account of insights that have arisen from research and requests from industry to align with post-EU exit legislation and changes to referenced British Standards.
GEGN8575 Issue 2 ― Guidance Note on the Management of Electrical Risk Related to Operational Tasks on Electrified Lines
This updated document provides improved guidance, based on industry feedback, to better assist those undertaking a suitable and sufficient risk assessment for day-to-day operational tasks on electrified lines.
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Traffic operation and management
One Traffic Operation and Management guidance note has been updated.
GOGN3615 Issue 3 ― Guidance on the Operation and Traffic Management National Technical Specification Notice (OPE NTSN)
The updated document has been aligned with legislation, which should reduce the number of enquiries requesting clarification and assistance. It will also reduce the potential for legal claims due to misinterpretation of responsibilities.
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Rule Book Modules and Handbooks
The following Rule Book Modules and Handbooks have been updated.
- GERT8000-M1 Issue 9 - Dealing with a train accident or train evacuation
- GERT8000-M2 Issue 9 - Train stopped by train failure
- GERT8000-TW1 Issue 22 - Preparation and movement of trains
- GERT8000-AC Issue 10 - AC Electrified Lines
- GERT8000-DC Issue 8 - DC Electrified Lines
- GERT8000-HB16 Issue 7 - AC Electrified Lines
- GERT8000-HB17 Issue 6 - DC Electrified Lines
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Rail-related legislation
One new guidance note on rail-related legislation has been published.
GEGN8601 Issue 1 ― General Guidance on the Implementation of NTSNs
This new guidance note provides general information on topics that are relevant to multiple National technical Specification Notices.
Previous updates

December 2025 standards update

September 2025 standards update

June 2025 standards update

March 2025 Standards Update

December 2024 Standards Update

September 2024 Standards Update

June 2024 Standards Update

March 2024 Standards Update

December 2023 Standards Update

September 2023 standards update

June 2023 Standards Update

March 2023 Standards Update

December 2022 Standards Update

September 2022 Standards Update

June 2022 Standards Update

March 2022 Standards Update

December 2021 Standards Update

September 2021 Standards Update

June 2021 Standards Update

March 2021 Standards Update

December 2020 Standards Update

