Serbian Railways Infrastructure (Serbian: Инфраструктура Железнице Србије, romanized: Infrastruktura Železnice Srbije) is the national railway infrastructure manager of Serbia.

[6] Srbija Voz was founded on 10 August 2015, as the national passenger railway company of Serbia, after being split from the Serbian Railways, in the process of reconstruction and better optimization of business.

[7] In February 2019, Srbijavoz temporarily suspended transportation on Belgrade–Novi Sad railway, one of the country’s most frequent passenger routes, in February 2022, due to the railway line’s reconstruction.

The route is 75 km long and its reconstruction is currently extended from Novi Sad to Subotica, (border with Hungary) for the speed of 200 km/h as part of the modernization of the Belgrade-Budapest railway line.

[12] In 2017, as part of the contract with RZD, reconstruction began on the Belgrade-Novi Sad-Subotica line, on the section between Stara Pazova and Novi Sad, Belgrade-Bar line, on the section between Resnik on the outskirts of Belgrade, and Valjevo.