Reservations are essential and first-class travel is advised. For details contact the State Railway Office. Traffic drives on the right. International road signs are used, although roadworks are often not signposted. Night driving can be dangerous owing to poor lighting.
Foreign drivers are sometimes liable to extra road tolls.
In addition, the driver may be banned from driving in Bulgaria for up to 3 years. Spare parts are easily available. There are a large number of petrol stations. Vehicles are metered, unless they are privately owned. There are no fly-drive arrangements through the airlines.