Image taken from the website of the Bundesamt for Straßenverkehr (Federal Office for Road Traffic), not copyrighted because it is part of the de:Straßenverkehrsordnung (German Road Regulations).

This image is in the public domain according to German copyright law because it is part of a statute, ordinance, official decree or judgment (official work) issued by a German authority or court (§ 5 Abs.1 UrhG). dansk ∙ Deutsch ∙ English ∙ español ∙ Esperanto ∙ français ∙ italiano ∙ Malti ∙ Nederlands ∙ polski ∙ sicilianu ∙ suomi ∙ svenska ∙ Tiếng Việt ∙ македонски ∙ русский ∙ українська ∙ বাংলা ∙ 日本語 ∙ 中文（简体） ∙ 中文（繁體） ∙ العربية ∙ +/−