Roadways:
total: 172,927 km country comparison to the world: 28 paved: 125,908 km (includes 1,429 km of expressways)
unpaved: 47,019 km (2006)
Waterways:
850 km (on Karun River; some navigation on Lake Urmia) (2009) country comparison to the world: 70
Merchant marine:
total: 74 country comparison to the world: 57 by type: bulk carrier 11, cargo 40, chemical tanker 5, container 9, liquefied gas 1, passenger/cargo 3, petroleum tanker 1, refrigerated cargo 2, roll on/roll off 2
foreign-owned: 1 (UAE 1)
registered in other countries: 78 (Barbados 4, Bolivia 1, Cyprus 10, Hong Kong 1, Malta 56, Panama 5, Ukraine 1) (2010)
Ports and terminals: