GB/T 30699-2025 in English

This standard provides a systematic approach to the encoding of traffic signs and markings. It outlines the principles and methods for assigning unique identifiers to various types of road signs and markings, ensuring consistency and clarity in their representation. The document includes guidelines on the structure of the encoding system, the classification of different sign types, and the application of these codes in practical scenarios. It also covers the requirements for the design, placement, and maintenance of traffic signs and markings to ensure effective communication of traffic information. The standard aims to support the efficient management and standardization of road signage across different regions and transportation networks.