Home / Standards / GB/T 42334.2-2024 GB/T 42334.2-2024 Active Specification for operational safety assessment of urban rail transit—Part 2: Monorail 城市轨道交通运营安全评估规范 第2部分:单轨 Standard Type GBT ICS 93.080.01 CCS P51 Status 现行 Issue Date 2024-07-24 Implementation 2024-11-01 Responsible Dept 交通运输部 Drafting Unit N/A