Standards Catalogue

Guidance on the Energy National Technical Specification Notice

This document gives guidance on interpreting the requirements of the Energy National Technical Specification Notice (ENE NTSN) for application to the…

Route level assessment of technical compatibility between vehicles with traction batteries and infrastructure

The technical note aims to inform stakeholders on specific areas to carry out technical compatibility between battery-powered vehicles and…

Functioning and Control of Exterior Doors on Passenger Vehicles

This document sets out requirements for the design, function and control of power operated exterior door systems on passenger vehicles traversing the…

DC Conductor Rail Energy Subsystem and Interfaces to Rolling Stock Subsystem

This document sets out requirements for the 750 V direct current (dc) conductor rail energy subsystem and the interfaces to rolling stock operating…

Rolling Stock Subsystem and Interfaces to DC Conductor Rail Energy Subsystem

This document sets out requirements as National Technical Rules (NTRs) for rolling stock that traverses the Great Britain (GB) mainline 750 V direct…

Rolling Stock Subsystem and Interfaces to DC Conductor Rail Energy Subsystem

This document sets out requirements and guidance for all rolling stock operating over the Great Britain (GB) mainline 750 V dc conductor rail energy…

DC Conductor Rail Energy Subsystem and Interfaces to Rolling Stock Subsystem

This document sets out requirements for the 750 V direct current (dc) conductor rail energy subsystem and the interfaces to rolling stock operating…

Guidance on the Operation and Traffic Management National Technical Specification Notice (OPE NTSN)

This document provides guidance on the Operation and Traffic Management National Technical Specification Notice (OPE NTSN), including the application…

General Guidance for National Technical Specification Notices

This Guidance Note is intended for transport operators, project entities, assessment bodies and other organisations with responsibilities related to…

Guidance on the Application of the Control Command and Signalling NTSN

This document gives guidance on interpreting the requirements of the Control, Command and Signalling National Technical Specification Notice (CCS…

Requirements for the operation of freight trains and the conveyance of dangerous goods by any train

This document sets out requirements and guidance relating to the safe operation of freight trains and the safe movement of dangerous goods.

Provision of Signage at Power Changeover Locations

This document sets out requirements and guidance for provision of signage at power changeover locations for multi-mode rolling stock.

Medical Fitness Assessment

This document sets out requirements and guidance for the management of medical fitness assessment for safety critical workers on the GB mainline…

Engineering Design of On-Track Machines in Running Mode

This document sets out requirements for the design of on-track Machines (OTMs) in running mode.

Determination of Aerodynamic Rolling Moment Coefficient

This Guidance Note provides guidance to railway undertakings and infrastructure managers for methods of undertaking wind tunnel tests to determine…

Lineside Operational Signs

Junction signal sighting

This technical note has been issued to help the industry manage the sighting of colour light junction signals. This document is responding to the RAIB…

TPWS receiver aerial location

This technical note will help industry identify the risks associated with mounting the Train Protection and Warning System (TPWS) receiver aerial…

Wheelsets handling and storage

This document sets out requirements and guidance for the handling and storage of wheelsets and their components.

Level Crossing Systems

This document sets out requirements for level crossing systems and guidance on the application of controls to mitigate the risk of collision of a…

Rule Book Handbook Issue History

This document contains updates to align with changes to Rule Book module issues (GERT8000).

Rule Book Briefing Leaflet

Each issue of the Rule Book Briefing Leaflet contains a summary of the changes being introduced to GERT8000.

Dealing with a train accident or train evacuation

You will need this module if you carry out the duties of a driver, guard or signaller.

Changes to National Operations Publications for March 2026

This document is primarily used to publish minor changes to National Operations Publications (NOPs) and has been re-issued, taking into consideration…

Rule Book Module Issue History

This document contains updates to align with changes to Rule Book module issues (GERT8000).

Master Manual

The Rule Book manuals have been produced to provide end-users with access to the content of the Rule Book that is relevant to their roles, e.g.…

Train stopped by train failure

You will need this module if you carry out the duties of a driver or signaller.

Signaller and Signalling Technician Manual

The Rule Book manuals have been produced to provide end-users with access to the content of the Rule Book that is relevant to their roles, e.g.…

AC Electrified Lines

This module is required if you carry out the duties of a train driver, guard, shunter, designated person (DP), signaller, crossing keeper in DC…

AC Electrified Lines

This handbook is for those personnel who need to go on the operational railway in an AC electrified area to carry out their duties, with the exception…

End of Degraded Working

This document provides design details for sign AK215 - End of degraded working.

Advance lower pantograph (temporary power changeover)

This document provides design details for sign AJ12 - Advance lower pantograph (temporary power changeover).

Power changeover not applicable

This document provides design details for sign AJ16 – Power changeover not applicable.

Warning of Traction System Changeover

This document provides design details for sign AJ04 - Warning of traction system changeover.  

Raise pantograph (temporary power changeover)

This document provides design details for sign AJ14 - Raise pantograph (temporary power changeover).

Lower pantograph (temporary power changeover)

This document provides design details for sign AJ13 - Lower pantograph (temporary power changeover).  

Indication of route

This document provides design details for sign AJ11 - Indication of route.

Changeover to or from self-powered

This document provides design details for sign AJ08 - Changeover to or from self-powered.

Changeover to Overhead Electric Traction

This document provides design details for sign AJ07 - Changeover to Overhead Electric Traction.

Do not raise pantograph

This document provides design details for sign AJ09 - Do not raise pantograph.  

Code of Practice for Basic Training, Assessment and Post-qualifying Monitoring - OTM Drivers

Code of Practice for OTM Traction

Code of Practice for OTM Driver - Task Analysis

Code of Practice for Route Knowledge - Training, Assessment and Retention

Application Note 5 - Relationship of Yellow Book with European Directives

Application Note 4 - Independent Safety Assessment

Application Note 3 - Human Error: Causes, Consequences and Mitigations

Application Note 2 - Software and EN50128

Application Note 1 - Railway-Level Issues

Engineering Safety Management (The Yellow Book) Fundamentals and Guidance