Four proposals for core TEN_T cross-border corridors: the Sava corridor, the Danube–Mura–Drava–Sava corridor, the Drava–Mura–Raba–Danube corridor and, last but not least, the proposal for the Kamniška Bistrica–Krka–Kolpa corridor.
Corridor Sava proposal connecting Salzburg Ljubljana Zagreb
Sava

Core TEN_T Railway Sava Corridor proposal: Salzburg–Jesenice–Ljubljana–Dobova–Zagreb.

Coridor Danube Mura Drava Sava
Danube–Mura–Drava–Sava

Core TEN_T Corridor Danube–Mura–Drava–Sava proposal connecting Vienna and Zagreb.

Coridor Drava–Mura–Raba–Danube
Drava–Mura–Raba–Danube

Core TEN-T Coridor Drava–Mura–Raba–Danube proposal: Osijek–Varaždin–Murska Sobota–Szombathely/leg Graz–Bratislava.

Kamniška Bistrica–Krka–Kolpa corridor graphic representation
Kamniška Bistrica–Krka–Kolpa

Crossing three rivers and two countries Kamniška Bistrica–Krka–Kolpa Corridor Proposal: Kamnik–Novo mesto–Karlovac–/Leg Kočevje–/Leg Sevnica.