Standards Catalogue

​Virtual platform edges

This technical note aims to clarify the attributes used for calculating clearances and stepping distances with respect to real and virtual platform…

Application of Probabilistic Gauging Methods

This document sets out requirements for the application of probabilistic gauging based on Monte Carlo methods to calculate clearances between rolling…

Operation of Urban Rail Vehicles on or adjacent to GB Mainline Infrastructure

This document gives guidance for the introduction and operation of urban rail vehicles on or adjacent to the GB mainline railway. This guidance is…

Interface between Station Platforms, Track, Trains and Buffer Stops​

This document sets out requirements for the design and maintenance of station platforms for their safe interface with trains, track and buffer stops.

​Application of the Accessibility NTSN​

This document contains guidance on the application of the Accessibility (ACC) NTSN, particularly when undertaking work that would not necessarily…

Functionality and Management of Track Circuit Assisters (TCAs) on Rail Vehicles

This document sets out requirements for the functionality, testing and management of failures of TCAs on rail vehicles.

Use of Portable Ramps for Boarding and Alighting at Station Platforms

This TN provides guidance on the use of portable ramps and background information on the relevant requirements in the Accessibility National Technical…

Operation of Heritage Trains​

This document sets out requirements for managing the planning and operation of heritage train services on the GB mainline railway.

Reporting of Safety Related Information

The document sets out requirements for entering information into the Safety Management Intelligence System (SMIS). SMIS has been replaced by the Safe…

Guidance on the Infrastructure National Technical Specification Notice (INF NTSN)​

This document gives guidance on interpreting the requirements of the Infrastructure National Technical Specification Notice (INF NTSN) for application…

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