Nine of the lines, called Metrotram, operate 24 hours a day and are identified with the letter "M" before their number; the other thirteen lines are regular city tram lines and are identified by just a line number.
Sembilan jalur diantaranya, disebut Metrotram, beroperasi 24 jam sehari dan ditandai dengan huruf 'M'; 13 jalur lainnya adalah jalur trem kota reguler dan ditandai dengan nomor saja.