Standardization of requirements and guidance relating to operations and services in the railway system and related equipment, which are required in and between railway stakeholders as well as at the technical interfaces between railway operators and railway users such as passengers and shippers in order to realize safe, reliable, convenient and sustainable railway transport.

Quick links


published ISO standard *

under the direct responsibility of ISO/TC 269/SC 3


ISO standards under development *

under the direct responsibility of ISO/TC 269/SC 3


Participating members


Observing members

* number includes updates

Reference Title Type
ISO/TC 269/SC 3/AHG 1 Transportation of unusual cargoes Working group
ISO/TC 269/SC 3/AHG 2 Principle of train occupancy detection Working group
ISO/TC 269/SC 3/WG 1 Planning of operational concepts for earthquakes Working group
ISO/TC 269/SC 3/WG 2 Railway driving simulator for drivers’ training Working group
ISO/TC 269/SC 3/WG 3 Railway timetabling Working group
ISO/TC 269/SC 3/WG 4 Rolling stock relevant operation and maintenance documentation Working group


Liaison Committees from ISO/TC 269/SC 3

ISO/TC 269/SC 3 can access the documents of the committees below:

Reference Title ISO/IEC
IEC/TC 9 Electrical equipment and systems for railways IEC
ISO/TC 145 Graphical symbols ISO


Organizations in liaison (Category A and B)

Acronym Title Category
UIC International Union of Railways A

ISO/TC 269/SC 3 - Secretariat

JISC [Japan]

Japanese Industrial Standards Committee
Technical Regulations, Standards & Conformity Assessment Policy Unit
Ministry of Economy, Trade and Industry
1-3-1, Kasumigaseki, Chiyoda-ku
Tokyo 100 - 8901

Tel: +81 3 35 01 94 71
Fax: +81 3 35 80 86 37