Railways:
total: 4,071 km
narrow gauge: 4,071 km 1.000-m gauge (2004)

Highways:
total: 57,403 km
paved: 56,542 km
unpaved: 861 km (2000 est.)

Waterways:
4,000 km
note: 3,701 km navigable by boats with drafts up to 0.9 m (2003)

Pipelines:
gas 3,112 km; refined products 265 km (2004)

Ports and harbors:
Bangkok , Laem Chabang, Pattani, Phuket, Sattahip, Si Racha, Songkhla

Merchant marine:
total: 386 ships (1,000 GRT or over) 2,038,597 GRT/3,104,712 DWT
by type: bulk carrier 57, cargo 142, chemical tanker 12, combination ore/oil 1, container 21, liquefied gas 25, passenger 3, passenger/cargo 4, petroleum tanker 89, refrigerated cargo 30, roll on/roll off 1, specialized tanker 1
foreign-owned: 55 (Indonesia 1, Japan 3, Norway 45, Singapore 6)
registered in other countries: 35 (2005)

Airports:
109 (2004 est.)

Airports - with paved runways:
total: 65
over 3,047 m: 7
2,438 to 3,047 m: 10
1,524 to 2,437 m: 23
914 to 1,523 m: 19
under 914 m: 6 (2004 est.)

Airports - with unpaved runways:
total: 44
1,524 to 2,437 m: 1
914 to 1,523 m: 15
under 914 m: 28 (2004 est.)

Heliports:
3 (2004 est.)