EN ISO 22074-4:2024/A1:2026
(Amendment)Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to repeated loading - Amendment 1 (ISO 22074-4:2022/Amd 1:2026)
Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to repeated loading - Amendment 1 (ISO 22074-4:2022/Amd 1:2026)
Bahninfrastruktur - Schienenbefestigungssysteme - Teil 4: Prüfverfahren bei wiederkehrenden Belastungen - Änderung 1 (ISO 22074-4:2022/Amd 1:2026)
Infrastructure ferroviaire - Systèmes de fixation du rail - Partie 4: Méthode d'essai pour la détermination de résistance aux charges répétitives - Amendement 1 (ISO 22074-4:2022/Amd 1:2026)
Železniška infrastruktura - Sistemi za pritrjevanje tirnic - 4. del: Preskusne metode za določanje odpornosti na ponavljajoče se obremenitve - Dopolnilo A1 (ISO 22074-4:2022/Amd 1:2026)
General Information
- Status
- Published
- Publication Date
- 14-Apr-2026
- Technical Committee
- CEN/TC 256 - Railway applications
- Drafting Committee
- CEN/TC 256/SC 1/WG 17 - Fastening systems
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 15-Apr-2026
- Completion Date
- 15-Apr-2026
Relations
- Effective Date
- 22-Apr-2026
- Effective Date
- 22-Apr-2026
- Referred By
EN 13232-5:2005+A1:2011 - Railway applications - Track - Switches and crossings - Part 5: Switches - Effective Date
- 22-Apr-2026
- Effective Date
- 12-Feb-2026
- Effective Date
- 03-Sep-2025
Overview
EN ISO 22074-4:2024/A1:2026 is an amendment to the international standard for railway infrastructure, specifically focusing on rail fastening systems. This document, part of the ISO 22074 series and developed by CEN and ISO/TC 269/SC 1, provides updated test methods for evaluating the resistance of rail fastening systems to repeated loading. The amendment primarily revises the procedures for measuring clamping force during test cycles, ensuring higher accuracy and consistency with related standards, such as ISO 22074-7.
Rail fastening systems are critical for track safety, durability, and performance. This amendment is essential for manufacturers, railway operators, and testing laboratories aiming to assure the long-term reliability and safety of rail infrastructure components.
Key Topics
- Rail Fastening Systems: This amendment targets infrastructure elements that secure rails to sleepers or ties, ensuring stability under operational loads.
- Test Methods for Resistance to Repeated Loading: It outlines revised procedures to simulate the dynamic, repetitive forces experienced in railway service, supporting robust product evaluation.
- Clamping Force Measurement: The amendment specifies that clamping force must be determined using the method detailed in ISO 22074-7, aligning testing protocols for direct and indirect offset fastening systems:
- For direct offset systems, force is applied between two rail seats, and the clamping force is half the total measured force.
- For indirect offset systems, testing follows the designated procedure in ISO 22074-7:2021, section 8.5.
- Consistency Across Standards: By referencing ISO 22074-7, the amendment promotes harmonized testing methodologies that facilitate international interoperability.
Applications
Implementation of the revised EN ISO 22074-4:2024/A1:2026 amendment brings practical benefits across the railway sector, including:
- Manufacturing: Enables standardized acceptance testing for new rail fastening systems, accelerating product development and market access.
- Infrastructure Maintenance: Supports asset managers in selecting compliant fastening systems, ensuring long-term performance under cyclic loading and minimizing maintenance costs.
- Quality Assurance: Provides laboratories with clear guidance for testing, helping demonstrate compliance with international safety and durability requirements.
- Regulatory Compliance: Assists in fulfilling national and regional rail safety regulations by adopting recognized testing standards.
- Procurement Specifications: Helps rail operators and contractors precisely specify the performance criteria for fastening systems in contracts.
Related Standards
The EN ISO 22074-4:2024/A1:2026 amendment is closely connected with several international railway standards:
- ISO 22074-4:2022: The base standard detailing test methods for the resistance of rail fastening systems to repeated loading.
- ISO 22074-7:2021: Specifies methods for determining the clamping force of rail fastening assemblies, a key reference in this amendment.
- EN 13481 series: European standards regarding the requirements and testing of track fastening systems for railway applications.
- ICS 45.080: The international classification for rails and railway components, covering related products and their testing protocols.
Adhering to this amendment, together with its related standards, ensures that rail fastening systems deliver the required safety, reliability, and performance needed in modern railway infrastructure worldwide.
Keywords: Rail fastening systems, railway infrastructure, repeated loading, test methods, clamping force, ISO 22074, EN ISO 22074-4:2024/A1:2026, railway standards, track safety, international standardization, CEN.
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Frequently Asked Questions
EN ISO 22074-4:2024/A1:2026 is a draft published by the European Committee for Standardization (CEN). Its full title is "Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to repeated loading - Amendment 1 (ISO 22074-4:2022/Amd 1:2026)". This standard covers: Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to repeated loading - Amendment 1 (ISO 22074-4:2022/Amd 1:2026)
Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to repeated loading - Amendment 1 (ISO 22074-4:2022/Amd 1:2026)
EN ISO 22074-4:2024/A1:2026 is classified under the following ICS (International Classification for Standards) categories: 45.080 - Rails and railway components. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 22074-4:2024/A1:2026 has the following relationships with other standards: It is inter standard links to EN 13232-6:2005+A1:2011, EN 13232-7:2006+A1:2011, EN 13232-5:2005+A1:2011, ISO 22074-4:2022/Amd 1:2026, EN ISO 22074-4:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN ISO 22074-4:2024/A1:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 22074-4:2024/oprA1:2025
01-december-2025
Železniška infrastruktura - Sistemi za pritrjevanje tirnic - 4. del: Preskusne metode
za določanje odpornosti na ponavljajoče se obremenitve - Dopolnilo A1 (ISO 22074
4:2022/DAmd 1:2025)
Railway infrastructure - Rail fastening systems - Part 4: Test methods for resistance to
repeated loading - Amendment 1 (ISO 22074-4:2022/DAmd1:2025)
Bahninfrastruktur - Schienenbefestigungssysteme - Teil 4: Prüfverfahren bei
wiederkehrenden Belastungen - Änderung 1(ISO 22074 4:2022/DAmd 1:2025)
Infrastructure ferroviaire - Systèmes de fixation du rail - Partie 4: Méthode d'essai pour la
détermination de résistance aux charges répétitives - Amendement 1 (ISO 22074-
4:2022/DAmd1:2025)
Ta slovenski standard je istoveten z: EN ISO 22074-4:2022/prA1:2025
ICS:
45.080 Tračnice in železniški deli Rails and railway
components
SIST EN ISO 22074-4:2024/oprA1:2025 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
SIST EN ISO 22074-4:2024/oprA1:2025
SIST EN ISO 22074-4:2024/oprA1:2025
DRAFT
Amendment
ISO 22074-4:2022/
DAM 1
ISO/TC 269/SC 1
Railway infrastructure — Rail
Secretariat: AFNOR
fastening systems —
Voting begins on:
Part 4:
2025-10-28
Test methods for resistance to
Voting terminates on:
repeated loading 2026-01-20
AMENDMENT 1
Infrastructure ferroviaire — Systèmes de fixation du rail —
Partie 4: Méthode d'essai pour la détermination de résistance aux
charges répétitives
AMENDEMENT 1
ICS: 45.080
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document has not been edited by the ISO Central Secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO 22074-4:2022/DAM 1:2025(en)
SIST EN ISO 22074-4:2024/oprA1:2025
DRAFT
ISO 22074-4:2022/DAM 1:2025(en)
Amendment
ISO 22074-4:2022/
DAM 1
ISO/TC 269/SC 1
Railway infrastructure — Rail
Secretariat: AFNOR
fastening systems —
Voting begins on:
Part 4:
Test methods for resistance to
Voting terminates on:
repeated loading
AMENDMENT 1
Infrastructure ferroviaire — Systèmes de fixation du rail —
Partie 4: Méthode d'essai pour la détermination de résistance aux
charges répétitives
AMENDEMENT 1
ICS: 45.080
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document has not been edited by the ISO Central Secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of
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