Brussel based UITP (International Association of Public Transport) which is one of the most prestigious institutions of the world on mass transportation, awarded Üsküdar-Ümraniye-Çekmeköy metro line as Europe’s largest and the world’s third automated metro line among 500 nominees with high passenger transport capacity.

Istanbul's only driverless Üsküdar-Ümraniye-Çekmeköy-Sancaktepe metro line with a capacity of 1.620 passengers per direction is followed by Rome metro line with 1.200, Barcelona metro line with 895 and Paris with 722 passenger capacity.