Railways: total: 8,367 km broad gauge: 94 km 1.676-m gauge standard gauge: 8,273 km 1.435-m gauge (146 km electrified) (2006)
Highways:
Waterways: 850 km (on Karun River; additional service on Lake Urmia) (2008)
Pipelines: condensate 7 km; condensate/gas 12 km; gas 19,246 km; liquid petroleum gas 570 km; oil 7,018 km; refined products 7,936 km (2008)
Ports and harbors:
Merchant marine: total: 74 by type: bulk carrier 18, cargo 34, chemical tanker 4, container 6, liquefied gas 1, passenger/cargo 4, petroleum tanker 2, refrigerated cargo 2, roll on/roll off 3 foreign-owned: 1 (UAE 1) registered in other countries: 115 (Barbados 2, Bolivia 1, Cyprus 10, Hong Kong 15, Malta 79, Panama 7, Saint Vincent and the Grenadines 1) (2008)
Airports: 317 (2008)
Airports - with paved runways: total: 130 over 3,047 m: 40 2,438 to 3,047 m: 29 1,524 to 2,437 m: 23 914 to 1,523 m: 32 under 914 m: 6 (2008)
Airports - with unpaved runways: total: 187 over 3,047 m: 1 2,438 to 3,047 m: 1 1,524 to 2,437 m: 10 914 to 1,523 m: 144 under 914 m: 31 (2008)
Heliports: 14 (2007)