Railways: 5,600 km broad gauge: 94 km 1.676-m gauge standard gauge: 5,506 km 1.435-m gauge (146 km electrified) (1998) Highways: total: 140,200 km paved: 49,440 km (including 470 km of expressways) unpaved: 90,760 km (1998 est.) Waterways: 904 km; the Shatt al Arab is usually navigable by maritime traffic for about 130 km; channel has been dredged to 3 m and is in use
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