Historical train compositions 1987/1988  (31.5.1987 - 28.5.1988)

Explanation:
2) only international trains and some national trains
3) only international trains and some national trains ŽTO Titograd, ŽTO SOUR Sarajevo, ŽTO Skopje
4) only trains with passenger transport
5) only trains with passenger transport and with priority transport of express goods
6) only trains with priority transport of express goods