標準號：BS EN 50556-2011
中文標準名稱：道路交通信號系統
英文標準名稱：Road traffic signal systems
標準類型：Q84
發布日期：2011/4/30 12:00:00
實施日期：2011/4/30 12:00:00
中國標準分類號：Q84
國際標準分類號：93.080.30
適用范圍：This European Standard specifies requirements for Road Traffic Signal Systems, including theirdevelopment, design, testing, installation and maintenance.In particular, it forms the electrotechnical part of the following two standards issued by CEN:– EN 12368, Traffic control equipment ― Signal heads– EN 12675, Traffic signal controllers ― Functional safety requirementsEach of these standards above should be used with this standard either singly or together to define anoperational equipment or system. This should be achieved by using the electrotechnical methods and testingdefined in this standard.Where Road Traffic Signal Systems are to be used with other systems, e.g. public lighting or railwaysignalling and communication, this standard should comply with the other respective standard to ensure thatoverall safety is not compromised.Only permanently or temporarily installed Road Traffic Signal Systems are included in this standard. Centraloffice and portable signalling systems are not covered.