Catalogue of Network Rail Standards - Issue 123 - 05 March-03 June 2022

Sep 4, 2026

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Catalogue of Network Rail Standards issue 123 provides a structured overview of Network Rail standards, related documentation, and the catalogue framework for locating and ordering current requirements. It includes guidance for completing the Standards Challenge application, details the Network Rail standards numbering systems and compliance dates, and outlines referenced standards and portal access. The publication also summarizes changes introduced in this issue and lists standards across multiple categories such as asset information and civil engineering.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages220

Reading Time9 h 14 min

AccessFree to download

Contacts

Search support contacts

Other information

Guidance for completing the Standards Challenge application form

Standards Challenge application form

Guide to Network Rail Standards and Catalogue

Quick find - using the index

Network Rail standards framework

Types of Network Rail standards

Compliance date

National technical specification notices (NSTNs)

Railway group standards

Referenced documents

Ordering standards, delivery & prices

The Network Rail standards portal

Changes in this issue

New and up-issued standards

Emergency changes

Network Rail catalogues

Listing of Network Rail standards

Asset information

Civil engineering

Commercial property

Company standards group

Competence & training management

Catalogue of Network Rail Standards NR/CAT/STP/001 ISSUE 123 05 March-03 June 2022 Copyright © 2022 IHS Markit Ltd Designed, Created and Published under licence from Network Rail Infrastructure Ltd. No part of this document may be reproduced or disclosed to a third party without the written permission of IHS Markit Ltd Network Rail Infrastructure [Ltd. is](Ltd. is) part of the Network Rail Group of Companies. i. Contacts Search Support Contacts Please note that it will help save time if you have available your System Number and Company Name. IHS Customer Care For search queries and all other enquiries Phone: 01344 328300 or email [customer.support@ihsmarkit.com](customer.support@ihsmarkit.com) Other Information Network Rail Standards Subscriptions IHS Markit Ltd Phone: 01344 328000 Network Rail Standards & Controls Publications Manager Neil Whitaker Phone: 01908 782564 Network Rail Standards Hard Copy Document Centre IHS Retail Phone: 01344 328039 Fax: 01344 328005 or email: [emeastore@ihsmarkit.com](emeastore@ihsmarkit.com) Railway Group Standards Rail Safety & Standards Board Enquiry Desk Phone: 020 3142 [5400 Website www.rssb.co.uk](5400 Website www.rssb.co.uk) Network Rail Technical Drawings National Records Group Email: [nrgcivils@networkrail.co.uk](nrgcivils@networkrail.co.uk) Table of Contents i. Contacts .......................................................................................... 1 ii. Guidance tor Completing the Standards Challenge Application Form ........................................... 6 iii. Standards Challenge-Application Form ................................................................. 8 1. Guide to Network Rail Standards and Catalogue ......................................................... 11 1.1 Quick Find – Using the Index ................................................................... 11 1.2 Network Rail Standards ....................................................................... 11 1.3 Network Rail Standards Framework ............................................................. 11 1.4 Types of Network Rail Standards ................................................................ 11 1.5 Other documents associated with Network Rail Standards ............................................ 12 1.6 The Current NR Numbering Systems ............................................................ 12 1.7 Compliance Date ............................................................................ 14 1.8 National Technical Specification Notices (NSTNs) ................................................... 14 1.9 Railway Group Standards ..................................................................... 14 1.10 Referenced Documents ....................................................................... 14 1.11 Ordering Standards, Delivery & Prices ............................................................ 15 1.12 The Network Rail Standards Portal ............................................................... 15 2. Changes in this Issue .............................................................................. 17 2.1 New and Up-Issued Standards ................................................................. 17 2.3 Emergency Changes (Previously Known As Letters of Instruction) ...................................... 19 3. Network Rail Catalogues ............................................................................ 22 3.1 Network Rail Catalogues....................................................................... 22 4. Listing of Network Rail Standards ..................................................................... 24 4.1 ASSET INFORMATION ....................................................................... 24 Level 1..................................................................................... 24 Level 2 ................................................

FAQs

What is included in issue 123 of the Network Rail Standards catalogue?

Issue 123 provides guidance on navigating the catalogue, completing the Standards Challenge application, and a structured listing of standards and related documents across multiple categories.

How can readers find and use Network Rail standards within the catalogue?

The guide describes the quick-find index, the standards framework and numbering systems, and access via the Network Rail standards portal to locate relevant requirements.

What kinds of updates are recorded for this issue?

The changes section summarizes new and up-issued standards and also covers emergency changes previously known as letters of instruction.

Sep 4, 2026

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