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.

This Document is related to the following Topics (in bold):

93 CIVIL ENGINEERING
93.080 Road engineering
93.100 Construction of railways
93.120 Construction of airports
93.140 Construction of waterways, ports and dykes

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