Belgrade's Deputy Mayor Goran Vesić said the development plan of Belgrade until 2030 envisages the construction of seven new bridges, two tunnels and two subway lines.

- By then, Belgrade will have 42 kilometers of subway. Two new tunnels will be built: Karadjordjeva - Pancevo Bridge and Topcider Tunnel.

https://www.beograd.rs/g/beoinfo/1791739-vesic-planom-razvoja-beograda-do-2030-godine-predvidjeno-sedam-novih-mostova-dva-tunela-i-dve-linije-metroa/