国家标准GB25280-2010《道路交通信号控制机》已于2011年5月1日正式实施,替代GA47-2002《道路交通信号控制机》标准。本文介绍了新标准的制订背景、标准要点及执行标准注意事项,供公安交通管理部门及道路交通信号控制机生产企业参考。标准起草背景2002年颁布实施的公共安全行业标准GA47-2002《道路交通信号控制机》,对信号机的物理结构性能、电源及电气性能要 National Standard GB25280-2010 “Road Traffic Signal Control Machine” was officially implemented on May 1, 2011, replacing the GA47-2002 “Road Traffic Signal Control Machine” standard. This article introduces the background of the new standard, the standard points and the implementation of the standard precautions for the public security traffic control department and road traffic signal control machine manufacturers reference. Standard drafting background promulgated in 2002, the implementation of the public safety industry standard GA47-2002 “road traffic signal control machine”, the signal of the physical structure of the performance, power and electrical performance