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ISO 24675-2:2026

Railway applications — Running time calculation for timetabling — Part 2: Distance-speed diagrams and speed curves

Publication date:   Apr 15, 2026

General information

60.60   Standard published   Apr 15, 2026

ISO

ISO/TC 269/SC 3 Operations and services

International Standard

45.020   Railway engineering in general | 03.220.30   Transport by rail

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Scope

This document specifies a practical procedure to create and verify distance-speed diagrams and speed curves using the parameters specified in ISO 24675-1, from which the shortest running time for railway timetabling is obtained by numerically integrating the speed curves.
This document excludes running time calculation used for purposes other than timetabling.

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PUBLISHED
ISO 24675-2:2026
60.60 Standard published
Apr 15, 2026