paved (mostly bituminous-surface treatment); 25,411 km laterite, gravel, crushed stone, or earth Inland waterways: 3,100 km Ports: primary - Ch'ongjin, Hungnam (Hamhung), Najin, Namp'o, Wonsan; secondary - Haeju, Kimchaek, Kosong, Sinuiju, Songnim, Sonbong (formerly Unggi), Ungsang Merchant marine: 5 ships (1,000 GRT or over) totaling 4,309 GRT/6,568 DWT; includes 2 passenger-cargo, 88 cargo, 3 container, 3 multi-function large load carrier, 1 railcar carrier, 174 oil tanker, 6 chemical tanker, 1 chemical tanker, 8 bulk, 1 roll-on/roll-off, 8 oil tanker, 22 bulk, 3 vehicle carrier, 181 oil tanker, 11 chemical tanker, 26 combination ore/oil, 422 bulk, 3 liquefied gas,
conveyors