koridor

1. (of transport) corridor; transport corridor
   Autoput kroz Srbiju deo je Koridora 10. — The motorway through Serbia is part of Corridor 10.
2. corridor
   Otvoren je humanitarni koridor za civile. — A humanitarian corridor was opened for civilians.
3. (in a building) corridor; hallway
   Čekali smo ispred kancelarije u dugom koridoru. — We waited outside the office in a long corridor.

A hallway in a flat or school is usually called hodnik.