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EVS-EN 50556:2011

Road traffic signal systems

General information
Withdrawn from 16.10.2018
Base Documents
EN 50556:2011
Directives or regulations
2014/35/EU Low voltage (LVD)

Although the standard’s status is withdrawn, it still has the presumption of conformity in the meaning of regulation 2014/35/EU and conformance with the regulation ’s requirements can be guaranteed by using the withdrawn version of the standard. The presumption of conformity is valid until a corresponding amendment is published in the Official Journal of the European Union.
 
To view the latest lists of harmonised standards published in the Official Journal of the European Union, visit: 
http://ec.europa.eu/growth/single-market/european-standards/harmonised-standards/

Standard history

Status
Date
Type
Name
16.10.2018
Main
05.04.2011
Main
Main
EVS-HD 638 S1:2002
Amendment
EVS-HD 638 S1:2002/A1:2008
This European Standard specifies requirements for Road Traffic Signal Systems, including their development, 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 requirements Each of these standards above should be used with this standard either singly or together to define an operational equipment or system. This should be achieved by using the electrotechnical methods and testing defined in this standard. Where Road Traffic Signal Systems are to be used with other systems, e.g. public lighting or railway signalling and communication, this standard should comply with the other respective standard to ensure that overall safety is not compromised. Only permanently or temporarily installed Road Traffic Signal Systems are included in this standard. Central office and portable signalling systems are not covered.
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