March *Japan, Communications Railroads: 34,172 km total (1991); 3,044 km 1.435 meter standard gauge, 245 km narrow gauge, single track Highways: 54,500 km; 4,079 km paved, 650 km gravel or crushed stone, or earth surface; 7.5% paved Inland waterways: 800 km; 600 km Coastline: 1,906 km Maritime claims: contiguous zone: 24 nm exclusive economic zone:
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