total: 4,294 km standard gauge: 4,049 km 1.435-m gauge (2,710 km electrified) narrow gauge: 245 km 0.760-m gauge (2006)
Roadways:
total: 40,231 km paved: 39,587 km (includes 331 km of expressways) unpaved: 644 km (2005)
Waterways:
470 km (2007)
Merchant marine:
total: 74 by type: bulk carrier 37, cargo 14, chemical tanker 5, container 6, liquefied gas 2, passenger/cargo 2, petroleum tanker 3, roll on/roll off 4, specialized tanker 1 foreign-owned: 65 (Germany 63, Ireland 1, Russia 1) registered in other countries: 31 (Comoros 2, Malta 5, Panama 3, Saint Vincent and the Grenadines 15, Slovakia 6) (2008)
Ports and terminals:
Burgas, Varna
Military
Bulgaria