I.S. EN 50556:2018
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
21-02-2019
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
This document specifies requirements for Road Traffic Signal Systems, including their development, design, testing, installation and maintenance.
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