RegioJet
RegioJet is a private Czech open-access operator founded by Radim Jančura in 2011, competing with state railways on domestic and international corridors. Each summer it runs seasonal overnight trains from Prague to the Croatian coast (Zagreb, Rijeka and Split) in partnership with Croatian Railways (HŽPP).
Datos clave
Refurbished couchette and sleeper carriages added to its standard low-cost fleet for the seasonal Croatia service.
Generous free baggage allowance; RegioJet is known for onboard extras like complimentary hot drinks.
No formal check-in; board at the platform.
Comparatively flexible refund/exchange policy typical of RegioJet's standard fare rules.
The Croatia sleeper runs 3x weekly in May, June and September, and daily in July and August.
Abonos ferroviarios
Independent open-access operator; not part of the Eurail/Interrail pass network.