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 SMIS has been replaced by the Safe…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…

Application of Standard Vehicle Gauges

This document defines standard vehicle gauges and the associated application rules for rolling stock and for infrastructure.

Size of Vehicles and Position of Equipment

This document sets out Great Britain (GB) requirements in scope of National Technical Rules for the methods of determining the swept envelope of rail…

Application of the Entity in Charge of Maintenance Regulations

This document gives guidance on the application of regulations on entities in charge of maintenance (ECM) with respect to freight wagons that are used…

Crashworthiness risk assessment for mainline passenger rolling stock

Onboard passenger air quality improvement

This technical note aims to inform the industry about potential solutions for improving air quality in the passenger cabin environment, referred to in…

Overrun Risk Evaluation and Assessment

This document sets out requirements and guidance for the management of risk associated with trains exceeding the end of their movement authority. 

Maintaining the Visibility of Signals and Operational Signs

This document sets out requirements and guidance to ensure that the visibility of signals and operational signs are not adversely affected during the…

On-Track Plant, Trolleys and Associated Equipment

This document sets out requirements and guidance for engineering of on-track plant, trolleys and associated equipment.

Reference Limits for Freight Wagon Defects

This document sets out the criteria for addressing defects in freight wagons arising during operation, and the restrictions on their use that apply.

Engineering Design of On-Track Machines in Travelling and Working Modes

This document sets out requirements and guidance for the application of the BS EN 14033:2017 series for on-track Machines (OTMs) in their travelling…

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 Rail Mounted Manually Propelled Equipment

Technical Advice Note for Quick Hitches

Code of Practice for Competence of Control Centre Staff

Engineering Safety Management (The yellow Book) Fundamentals and Guidance

Engineering Safety Management (The Yellow Book) Guidance (Abridged for Maintainers)

Code of Practice for Operator Competency Standards for Possession Only Rail Vehicles

Code of Practice for Tandem Lifting with Two Excavator Cranes

Code of Practice for Maintenance, Operation and Testing of Track Jacks

Code of Practice for Work Restraint Anchor Points on MEWPs

Code of Practice for OTM Route Conductor Competence and Fitness