# ISO 14794:2003 — Withdrawn and superseded ISO standards

For ISO 14794:2003, item title is Heavy commercial vehicles and buses — Braking in a turn — Open-loop test methods; status code is 9599; successor is ISO 14794:2011; withdrawn / published date is 2003-11-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 14794:2003 _(verified: appears in the quote below)_
- **Item title:** Heavy commercial vehicles and buses — Braking in a turn — Open-loop test methods _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 14794:2011
- **Withdrawn / published date:** 2003-11-07 _(verified: appears in the quote below)_

## What the source says

> 37007,IS,,ISO 14794:2003,Heavy commercial vehicles and buses — Braking in a turn — Open-loop test methods,Véhicules utilitaires lourds et autobus — Freinage en virage — Méthodes d'essai en boucle ouverte,2003-11-07,1,['43.020'],ISO/TC 22,9599,,[57256],"['en','fr']",23,"<p>ISO 14794:2003 specifies open-loop test methods for determining the effect of braking on the course holding and directional behaviour of heavy vehicles or heavy vehicle combinations when braking is accomplished using the service-brake system, or the retarder or engine brake only. It is applicable to heavy vehicles -- i.e. commercial vehicles, commercial vehicle combinations, buses and articulated buses as defined in ISO 383

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).