TIMETABLES are set by JKP "Beogradski metro i voz":
Svetozara Markovića 38-40, Beograd
+381 (0)11 4250 500
office@bgmetro.rs
TRAINS AND TRAIN PERSONNEL are set by "Srbija Voz" A.D.:
Nemanjina 6, Beograd
+381 (0)11 360 28 99
putnik.info@srbvoz.rs
TRAIN STATIONS AND STATION PERSONNEL are set by "Infrastruktura Železnice Srbije" A.D.:
Nemanjina 6, Beograd
+381 (0)11 361 48 11
kabinet.infrastruktura@srbrail.rs