Published
This document specifies the general requirements for brake systems. This document focuses on general principles and general requirements of brake systems.
This document is applicable for all types of rolling stock during design and whole lifetime. This document does not specify the braking performance criteria.
This document can be applied to all rolling stock with metal to metal wheel/rail contact irrespective of speed classification.
PUBLISHED
ISO 24221:2024
90.92
Standard to be revised
Jun 11, 2026
IN_DEVELOPMENT
ISO 24221:2024/FDAmd 1
IN_DEVELOPMENT
ISO/AWI 24221