Home / Standards / GB/T 38779-2020 GB/T 38779-2020 Active Technical specification for road traffic safety of the tram 有轨电车道路通行安全技术规范 Standard Type GBT ICS 93.080.30 CCS R87 Status 现行 Issue Date 2020-04-28 Implementation 2020-11-01 Responsible Dept 公安部 Drafting Unit N/A