GySEV (or ROeEE: Raab-Oedenburg-Ebenfurter Eisenbahn) is an Austrian-Hungarian railway company that is based in Sopron, Hungary. It operates long-distance traffic in Hungary as well as regional trains in Hungary and Austria. On some routes in Hungary GySEV trains run besides trains of state railway MAV START. Similarly in Austria, GySEV trains also run on lines operated by Austrian Railways ÖBB. GySEV trains also reach Bratislava (Slovakia), either via Vienna or Rajka.
Routes: Budapest - Sopron | Sopron - Szombathely - Szentgotthard | Szombathely - Köszeg | Szombathely - Zalaegerszeg | Szombathely - Papa - Györ | Heygeshalom - Rajka - Bratislava | Sopron - Wien - Bratislava | Fertöszentmiklos - Neusiedl am See