3 corridors linking 9 cities, about 900 km measured city to city in straight lines (about 1,000 km built, at a route factor of 1.2), with 3 cross-border links and crossings. Busan to Seoul and the south-west, and Seoul to Pyongyang and Sinuiju on the line to China. The northern section depends on North Korean participation.
Each corridor is listed below in order of its cities.
Routes are indicative. Corridors are drawn city to city, through the cities on the existing railway wherever a line exists: MMC corridors follow those lines, upgrading the line or running above it on viaduct. Where no line exists, the corridor is new build. Final alignments are set at detailed design by terrain survey, geotechnical analysis, environmental and cultural heritage assessment, and agreement between the nations they connect.
The MMC platform is available to any nation building to the standard. If your government, agency, or capital partner could initiate a project in the Korean Peninsula: Make contact.