Rail transport in Bulgaria includes passenger and freight operations over its 4,070 km (2,530 mi) network of mostly 1,435 mm (4 ft 8+1⁄2 in) standard gauge railways.

The Ottoman government had commissioned for it an English company managed by William Gladstone, a politician, and the Barkley brothers, civil engineers.

In 1870 Baron Maurice de Hirsch started the construction of the Constantinople – Luleburgaz - Edirne - Svilengrad - Plovdiv - Pazardzhik - Belovo railway line, completed three years later.

On 1 August, the whole of the Tsaribrod (Dimitrovgrad, Serbia) – Sofia – Belovo railway line was opened for international traffic.

Break of gauge facility was constructed in Beloslav In 2009 Bulgarian BDZ railway were close to bankruptcy after being insolvent for a number of years.

[3] The railway was rescued by creating a 2011 investment plan that attracted EU funds from the Connecting Europe Facility.