general assessment: modern system
domestic: extensive microwave radio relay, coaxial cable, and fiber-optic cable systems
international: microwave radio relay to Bahrain, Jordan, Kuwait, Qatar, UAE, Yemen, and Sudan; coaxial cable to Kuwait and Jordan; submarine cable to Djibouti, Egypt and Bahrain; satellite earth stations - 5 Intelsat (3 Atlantic Ocean and 2 Indian Ocean), 1 Arabsat, and 1 Inmarsat (Indian Ocean region)
total: 1,392 km
standard gauge: 1,392 km 1.435-m gauge (with branch lines and sidings) (2002)
Highways:
total: 146,524 km
paved: 44,104 km
unpaved: 102,420 km (1997 est.)
Waterways:
none
Pipelines:
crude oil 6,400 km; petroleum products 150 km; natural gas 2,200 km (includes natural gas liquids 1,600 km)
Ports and harbors:
Ad Dammam, Al Jubayl, Duba, Jiddah, Jizan, Rabigh, Ra's al Khafji, Mishab, Ras Tanura, Yanbu' al Bahr, Madinat Yanbu' al Sinaiyah
Merchant marine:
total: 71 ships (1,000 GRT or over) 1,461,964 GRT/2,301,258 DWT
ships by type: cargo 9, chemical tanker 11, container 4, livestock carrier 2, passenger 1, petroleum tanker 23, refrigerated cargo 4, roll on/roll off 9, short-sea passenger 8
note: includes some foreign-owned ships registered here as a flag of convenience: Egypt 3, Finland 1, Greece 3, Kuwait 1, Sudan 1, UAE 1, UK 3 (2002 est.)
Airports:
209 (2002)
Airports - with paved runways:
total: 71
over 3,047 m: 31
2,438 to 3,047 m: 12
914 to 1,523 m: 2
under 914 m: 2 (2002)
1,524 to 2,437 m: 24
Airports - with unpaved runways:
total: 138
under 914 m: 13 (2002)
over 3047 m: 1
2,438 to 3,047 m: 6
914 to 1,523 m: 39
1,524 to 2,437 m: 79
nomadic groups on border region with Yemen resist demarcation of boundary; Kuwait and Saudi Arabia have been negotiating a long-contested maritime boundary with Iran; because the treaties have not been made public, the exact alignment of the boundary with the UAE is still unknown and labeled approximate
Illicit drugs:
death penalty for traffickers; increasing consumption of heroin, cocaine, and hashish