# ISO 14792:2003 — Withdrawn and superseded ISO standards For ISO 14792:2003, item title is Road vehicles — Heavy commercial vehicles and buses — Steady-state circular tests; status code is 9599; successor is ISO 14792:2011; withdrawn / published date is 2003-08-28, recorded from its source on 2026-08-05. - **Identifier:** ISO 14792:2003 _(verified: appears in the quote below)_ - **Item title:** Road vehicles — Heavy commercial vehicles and buses — Steady-state circular tests _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 14792:2011 - **Withdrawn / published date:** 2003-08-28 _(verified: appears in the quote below)_ ## What the source says > 33404,IS,,ISO 14792:2003,Road vehicles — Heavy commercial vehicles and buses — Steady-state circular tests,Véhicules routiers — Véhicules utilitaires lourds et autobus — Essais sur trajectoire circulaire en régime permanent,2003-08-28,1,['43.080.01'],ISO/TC 22,9599,,[57254],"['en','fr']",13,"

ISO 14792:2003 specifies tests for determining the steady-state directional control response of heavy vehicles, one of the factors composing vehicle dynamics and road-holding properties. It is applicable to heavy vehicles -- i.e. commercial vehicles, combinations, buses and articulated buses as defined in ISO 3833 -- covered by Categories M3, N2, N3, O3, and O4 of UNECE (United Nations Economic Commis ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).