EN 12368 Traffic control equipment - Signal heads*, 2015-06-01 Update
EN 12675 Traffic signal controllers - Functional safety requirements*, 2017-08-01 Update
EN 50293 Road traffic signal systems - Electromagnetic compatibility*, 2012-06-01 Update
EN 55015 Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment (Incorporates Amendment A1: 2015)*, 2013-08-01 Update
EN 60825 Radiation Safety of Laser Products@ Equipment Classification@ Requirements and User's Guide
EN 60950 Safety of Information Technology Equipment
EN 61000-2-2 Electromagnetic Compatibility (EMC) Part 2-2: Environment Compatibility Levels for Low-Frequency Conducted Disturbances and Signalling in Public Low-Voltage Power Supply Systems
EN 61508 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures*, 2010-05-01 Update
HD 638 S1 Road traffic signal systems Incorporates Amendment A1: 2006
DIN CLC/TS 50509:2008 history
2008DIN CLC/TS 50509:2008 Use of LED signal heads in road traffic signal systems; German version CLC/TS 50509:2007