[2] It is an integral part of the Pan-European Corridor X running from Salzburg and Ljubljana towards Skopje and Thessaloniki.

[2] The line is used for passenger (urban-suburban, regional and international) and freight traffic.

[7] In the first half of 2000s, stops in Vrapče and Gajnice were reconstructed: new 160 meter long and 55 meter high southern and northern platforms were built, with adding of the canopies, ticket offices, access for people with disabilities and rest of the urban equipment.

The railway renovation project on the section Zagreb West Station (inclusive) - Zagreb Main Station (exclusive) included complete renovation of the upper and lower track structure (including renovation of tracks, replacement of switches and replacing of the old passenger platforms with new ones in the area of Zagreb West Station), as well as work on bridges/culverts, signal-safety and telecommunication devices and partial renovation/replacement of the electrification network system.

Maximum operational speed for trains on the route after section's reconstruction was raised to 120 km/h.