Since the late 1990s, plans for a Trans-Korean railroad that would connect Russia with South Korea have been carefully considered, picking up significant momentum during the early days of the Sunshine policy, but stalling following the sinking of the Cheonan in 2010.

Proponents for the railroad, which could one day connect Moscow with Seoul, say that besides providing numerous economic benefits to the partner countries, the cooperation required to build and maintain it would logically also reduce confrontation between the two Koreas.