billion (1987) National product per capita: $555 (1991 est.) National product per capita: $400 (1991 est.) *Korea, South, Communications Railroads: 20,638 km route distance total; 20,324 km of 610 mm gauge; substantial electrification of 1.067 meter gauge Highways: 11,514 km total; 66,100 km hard surfaced 26,500 km earth roads, 211,000 km (est.) rural
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