Prior information notice for reconstruction and modernization of an Existing Railway Line and for construction of the Second Track for Railway Belgrade - Nis, Section Stalac - Dunis. This contract is divided in 2 lots: Tunnelling and civil works for Tunnel n. 4 on Stalac-Dunis section (lot 1); Reconstruction and modernization of existing railway line and construction of the second track railway Belgrade - Nis, Stalac -Dunis section (lot 2). Estimated date of publication of contract notice 05/07/2021. Contact Serbian Railways Infrastructure JSC, attn Mr. Sasa Zlatkovic, Belgrade, tel +381 113621192, email sasa.zlatkovic@srbrail.rs. For further on TED tender, please click here. Ref.n. EIB-GtP/1/2021/3.4. 22/21.