Home / Standards / GB/T 44413-2024 GB/T 44413-2024 Active Classification of urban rail transit 城市轨道交通分类 Standard Type GBT ICS 03.220.01 CCS S04 Status 现行 Issue Date 2024-08-23 Implementation 2024-12-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A