Home / Standards / GB/T 34428.1-2017 GB/T 34428.1-2017 Active Communication rules of the devices of surveillance and control system for expressway—Part 1: Universal rules 高速公路监控设施通信规程 第1部分：通用规程 Standard Type GBT ICS 93.080.30 CCS R87 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 国家标准委 Drafting Unit N/A