 As a result, most of the routes are not electrified, are only single track traffic around 'bends' and lag significantly behind the West-European standards.Some limited improvements, however, have been made in recent times.A result of this has been an increase in the maximum speed on the railway line on the Pan-European Corridor X, from the Slovenian border via Zagreb, Novska, Vinkovci to the Serbian border (lines M101 through M105).