Sistemas de señalización del tráfico viario.
Road traffic signal systems
Systèmes de signaux de circulation routière
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See part of the content of the standard
93.080.30 / Road equipment and installations
CTN 199 - Traffic control equipment
EN 50556:2011 (Identical)
UNE-EN 50556:2019
Cancel: UNE-HD 638:2001
Cancel: UNE-HD 638:2001 ERRATUM: 2009
Cancel: UNE-HD 638:2001/A1:2007
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