ISO/PRF TR 22131
ISO/PRF TR 22131


This document provides additional information to assist the understanding and the use of ISO 20138-1. The calculations in this document follow the same principles but they are slightly different.

This document contains country specific calculation approaches currently in use and represents the state of knowledge including for calculating:

— stopping and slowing distances;

— equivalent response time;

— brake performance;

— brake ratio.

General information 

  •  :  Under development
  •  : 2
  •  : ISO/TC 269/SC 2 Rolling stock
  •  :
    45.020 Railway engineering in general

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