The World Forum for the Harmonization of Vehicle Regulations has evolved from an organization focused on European integration into a worldwide effort to establish global regulations for a global industry. Click this heading for more information about the Forum and how it works.
Global regulations refer to vehicle categories such as M1 for light passenger cars or N3 for heavy trucks. Click this heading for the basic definitions of the vehicle categories used in UN Regulations and GTR.
The automotive industry is overrun with acronyms and abbreviations. Click this heading for our running list of terms found in regulations and Forum submissions.
Links to resources for information on vehicle safety and environmental technologies.