Home / Standards / GB/T 21379-2008 GB/T 21379-2008 Active Classification and coding of the attribute of traffic management information - City road 交通管理信息属性分类与编码 城市道路 Standard Type GBT ICS 03.220.20 CCS R07 Status 现行 Issue Date 2008-02-13 Implementation 2008-08-01 Responsible Dept 国家标准委 Drafting Unit N/A