Standards Catalogue

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…

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…

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…

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.  

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.…

Advance lower pantograph (temporary power changeover)

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

Guidance on the Operation and Traffic Management Technical Specification for Interoperability

This document provides guidance on interpretation of points within the Operation and Traffic Management TSI (OPE TSI) where, owing to incomplete or…

Identification of Signalling and Related Equipment

This document sets out the principles for ensuring that signalling and related assets are uniquely identified.

Tilting Trains: Controlling Tilt Systems to Maintain Clearances

This document sets out the means by which Tilting Trains are permitted to utilise the tilt mechanism over routes, parts of which contain sections…

Controlling the Speed of Tilting Trains through Curves

This document sets out the means by which tilting trains may be operated at higher speeds than non-tilting trains around curves.

Engineering Requirements for Dispatch of Trains from Platforms

This document sets out the minimum engineering requirements for the facilities used in dispatching trains from platforms.

Passenger Train Dispatch and Platform Safety Measures

Low Voltage Power Supplies in Electrified Areas

This document includes requirements for earthing, bonding and the control of traction currents in low voltage power supplies in areas of the GB…

ERTMS Key Management

This document contains requirements for the management of cryptographic keys on the mainline railway to facilitate secure European Rail Traffic…

Guidance on the Energy TSI

This document gives guidance on interpreting the requirements of the Energy Technical Specification for Interoperability 2014 (ENE TSI) Commission…

GSM-R Train Voice Radio Systems

This document sets out the requirements for the application of GSM-R train voice radio systems, specifically interface requirements for the…

Section B(iii) - Your general duties when you are on or near the line

Section H(ii) - Working of trains - Out of course working and defective vehicles

Section K - Trains or vehicles detained on running lines and loops

Section U(iii) - Permissible speeds

Section W - Bad weather affecting railway infrastructure

Section B(i) - Your safety when you are walking on or near the line

Section H(i) - Working of trains - Normal arrangements

Section J - Shunting

Section M - Trains stopped by accident, failure, obstruction or other exceptional incident

Section A - General responsibilities, safety and security

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 Piling using OTP

Code of Practice for Planning for the Use of Mobile Operated Plant

OTM - Movements Authority and Associated Speeds Within a T3 Possession

On Who's Authority

Code of Practice for Any Line Open (ALO) Working

Seasonal Operating of OTP

Code of Practice for Flailing Operations using OTP

Code of Practice for OTP Recovery

Code of Practice for Management of Operational Risk and SPAD Avoidance Strategy

Code of Practice for Hiring in of Conductor Drivers