In Ukraine , it takes gas to the Uzhhorod pumping station on the Ukrainian border with Slovakia and to smaller pumping stations on the Hungarian and Romanian borders .
It crosses the Russian -- Ukrainian border north of Sumy .
In Ukrainian , it takes gas to the Uzhhorod pumping station on the Ukrainian border with Slovakia and to smaller pumping stations on the Hungarian and Romanian borders .
It crosses the Russian -- Ukrainian border north of Sumy .