Keywords: Istanbul Metro Logo.svg en Logo from en Istanbul Metro de Logo der Metro in Istanbul own work created with Inkscape based on http //tr wikipedia org/wiki/Dosya C4 B0stanbul_ulasim gif wikinight2 2009-04-02 http //tr wikipedia org/wiki/Dosya C4 B0stanbul_ulasim gif PD-textlogo Trademarked Istanbul Metro M metro Istanbul transportation signs |