Railway station Nikolaev railway station is a big junction. Cargo and passenger traffic is carried out almost to all cities in Ukraine - Kiev, Odessa, Kherson, Kharkov, Dnepropetrovsk, Sevastopol, Lvov, Zaporojie and others; international -to Moscow, Minsk, Polotsk, Kishinev, St Petersburg.
Ticket booking\reservation\selling offices are right in the building of the rail-way station. They work 24\7
To find out any kind of information about arrivals and departures of the trains you can only at the train station, because there is no official website yet.
Address:
Rail-way station "Nikolaev-passenger"
5 Novozavodskaya str, tel.: 29-52-85; 29-51-07 (24\7)

How to get there: trolley-bus #2, marshrout taxi #2, #8, #21, #50, #54 others
Taxi from the center of the city will cost you about 30-50 hrv ($4 -$8)