This document specifies a graphic data dictionary (GDD), a system of standardized codes for existing road traffic signs and pictograms used to deliver traffic and traveller information (TTI). The coding system can be used in the formation of messages within intelligent transport systems (ITS).
PUBLISHED
EN ISO 14823-1:2024
IN_DEVELOPMENT
prEN ISO 14823-1 rev
10.99
New project approved
Jun 27, 2026