m to 1.435 m Highways: 12,000 km total; 3,200 km gravel, 24,842 km unimproved earth Inland waterways: 725 km Pipelines: crude oil 1,738 km, petroleum products 455 km Ports: Doha, Umm Sa'id, Halul Island Merchant marine: 179 ships (1,000 GRT or over) totaling 24,122
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