Standards Catalogue

Traction batteries in rolling stock depots

The technical note aims to inform the industry on handling, storage and the safe maintenance practices of lithium-ion traction battery packs within…

Fire compartmentation and Li-ion traction batteries

The technical note aims to inform the industry on adequate design considerations for crashworthiness and fire barrier considerations to minimise the…

Application of Standard Vehicle Gauges

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

Changes to National Operations Publications for June 2025

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

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…

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…

Verification of Conformity of Engineering Change to Rail Vehicles

The document sets out a process for verification of conformity of engineering change against applicable requirements. This process can be adopted by…

Crashworthiness risk assessment for mainline passenger rolling stock

This Technical Note aims to address Recommendation 19 c) of RAIB’s Carmont report. This required RSSB, in consultation with operators of pre-1994…

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…

Directional arrows

This document provides design details for sign AJ10 - Directional arrows.  

Requirements for the Position of Infrastructure and for Defining and Maintaining Clearances

Requirements for the Size of Vehicles and Position of Equipment

Lineside Signal Aspects and Indications

This document specifies the appearance of lineside signal aspects and indications and the information they convey.

Lineside Signalling Layout Driveability Assessment Requirements

This document sets out requirements for assessing the driveability of lineside signalling systems, and guidance on the process of assessing changes to…

Signalling Layout and Signal Aspect Sequence Requirements

750 V and 1500 V DC Overhead Lines and corresponding Rolling Stock requirements

This document specifies requirements and associated rationale and guidance at the interface between energy subsystems and rolling stock subsystems for…

Magnetic Track Brakes

This document sets out requirements for driver-actuated magnetic track brakes fitted to rail vehicles used on the GB mainline railway.

Train to Infrastructure RFID Compatibility

This document sets out requirements for an RFID system where the tag is on the train and the reader is on the infrastructure. It includes specific…

Guidance on the Use of Escrow Agreements for Rail Applications

This document provides guidance on the use of escrow agreements and is intended to assist in understanding the application of escrow agreements. The…

Reporting of Safety Related Information

This document sets out requirements for entering information into the industry's Safety Management Intelligence System (SMIS), and for how that…

Track circuit block regulations

ERTMS Handbook

You will need this handbook if you need to understand how the European Rail Traffic Management System (ERTMS) operates on the GB network.

Signaller's Form for Working Single and Bi-Directional ERTMS Lines by Pilot

Signaller's form for working of single and bi-directional ERTMS lines by pilot.

Driver’s Ticket for Working Single and Bi-Directional Lines by Pilot

This form is issued by the pilot to drivers and records the details for the working of trains over a single or bi-directional line by pilot, during a…

Written Order 04 Permission to Make a Wrong-Direction Movement Form

This form is dictated by the signaller to the driver of fitted trains, on ERTMS level 2 lines.

Pilot's form for working of single and bi-directional ERTMS lines by pilot

Pilot's form for working of single and bi-directional ERTMS lines by pilot.

Driver’s Ticket for Working Single and Bi-Directional Lines by Pilot

This form is issued by the pilot to drivers and records the details for the working of trains over a single or bi-directional line by pilot, during a…

Signaller's Single Line Working Form

This form is used by the signaller to record the arrangements for implementing single line working.

Written Order 05 Permission To Proceed Under Modified Working Arrangements on Single and Bi-Directional Lines Form

This form is dictated by the signaller to the driver of fitted trains, on ERTMS level 2 lines.

Duties of a designated person (DP) and people working on rail vehicles

You will need this module if you carry out the duties of a designated person or person working on a rail vehicle.

Directional arrows

This document provides design details for sign AJ10 - Directional arrows.  

Advance lower pantograph (temporary power changeover)

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

Warning of Traction System Changeover

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

Indication of route

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

Lower pantograph (temporary power changeover)

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

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.  

Do not raise pantograph (temporary power changeover)

This document provides design details for sign AJ15 – Do not raise pantograph (temporary power changeover).

Lower Pantograph

This document provides design details for sign AJ03 - Lower pantograph

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