• Same gauge (): •
Hungary – Multiple crossings (from North to South -
Carei,
Valea lui Mihai,
Episcopia Bihor,
Salonta,
Curtici. Multiple daily passenger frequencies to
Budapest and beyond (only to
Győr,
Mosonmagyaróvár,
Hegyeshalom, and
Vienna for the moment) from
Bucharest and from many cities within
Transylvania. Both networks electrified at
25 kV, 50
Hz AC (only electrified crossing at
Curtici/
Lokoshaza). •
Serbia – crossings at
Jimbolia and
Stamora Moravița. As of March 2020, no passenger rail transport from
Bucharest to
Belgrade via
Timișoara and
Vršac. No electrified crossings. •
Bulgaria – crossings at
Calafat,
Giurgiu and
Negru Vodă. Daily passenger service to
Sofia and beyond (
Athens and
Istanbul) from Bucharest. No voltage issues (currently no electrified crossings, Calafat-Vidin crossing electrification is planned, same voltage,
25 kV, 50
Hz AC. •
Ukraine – Dual gauge crossing at
Halmeu. Crossing not electrified. Currently freight only. Dual gauge line enables standard gauge connections with
Hungary and
Slovakia through
Chop. •
Break-of-gauge: •
Ukraine – Break-of-gauge /. Crossings at
Vicșani,
Valea Vișeului and
Câmpulung la Tisa (including
bogie conversion systems).
Dual gauge (4 rail) track exists between Tereseva (Ukraine)/Câmpulung la Tisa –
Sighetu Marmației – Valea Vișeului, going back into
Ukraine. Ukrainian trains (both freight and passenger services) occasionally use this route without stopping within Romania. International passenger services exists between
Bucharest and
Kyiv (and onwards to
Moscow) via Vicșani (operated by CFR, with
UZ and
RZD cars) and between Sighetu Marmației and
Teresva (operated by
UZ). Crossings are not electrified. •
Moldova – Break-of-gauge /. Crossings and
bogie changers exist at
Ungheni (Moldova) and
Galați-
Reni. Crossings not electrified, as the Moldovan Railways network has Diesel traction only. Daily passenger service to
Chișinău from Bucharest. Multiple daily services from
Iași. ==Train categories==