The relation between Pjongjang and Seoul has deteriorated importantly for a year. At the beginning of the year [Kim Jong Un announced that there was no anticipation for peaceful unification of both Korea](https://defence24.pl/geopolityka/korea-polnocna-resigns-from-peace-unification). The Monument of Unity was besides abolished, which was intended to symbolize the peaceful way to common relations between the 2 states. He besides announced that there would be a "physical cutoff" from the south. It seems that the demolition of roads is 1 of the elements of the implementation of these words.