Home / Standards / GB/T 40951-2021 GB/T 40951-2021 Active Specification for urban passenger transfer hub operation safety management 城市客运枢纽运营安全管理规范 Standard Type GBT ICS 03.220.20 CCS R80 Status 现行 Issue Date 2021-11-26 Implementation 2022-06-01 Responsible Dept 交通运输部 Drafting Unit N/A