Two 3000V DC electrified lines run in parallel towards the Ukrainian border east of Kosice. The double track standard gauge line to Cierna nad Tisou carries passenger and freight traffic while the 5' gauge SRT is freight only and runs to a second border crossing at Matovce, north of Cierna.
The Cierna line is worked by a wide variety of electric motive power while the SRT is the exclusive domain of the class 125.8 twin unit electrics.