The ''Electricity, Gas, Bus General Directorate'' (EGO) operates the Ankara Metro and other forms of public transportation. Ankara is served by a suburban rail named Ankaray (A1) and three subway lines (M1, M2, M3) of the Ankara Metro with about 300,000 total daily commuters, while an additional subway line (M4) is under construction. A  long gondola lift with four stations connects the district of Şentepe to the Yenimahalle metro station.