Railways:
total: 3,940 km
narrow gauge: 3,940 km 1.000-m gauge (99 km double track)

Highways:
total: 64,600 km
paved: 62,985 km
unpaved: 1,615 km (1996 est.)

Waterways: 3,999 km principal waterways; 3,701 km with navigable depths of 0.9 m or more throughout the year; numerous minor waterways navigable by shallow-draft native craft

Pipelines: petroleum products 67 km; natural gas 350 km

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

Merchant marine:
total: 299 ships (1,000 GRT or over) totaling 1,834,809 GRT/2,949,558 DWT
ships by type: bulk 39, cargo 135, chemical tanker 3, combination bulk 1, container 13, liquified gas 19, multi-functional large load carrier 3, passenger 1, petroleum tanker 63, refrigerated cargo 13, roll-on/roll-off 2, short-sea passenger 2, specialized tanker 5 (1999 est.)

Airports: 106 (1999 est.)

Airports - with paved runways:
total: 56
over 3,047 m: 6
2,438 to 3,047 m: 11
1,524 to 2,437 m: 17
914 to 1,523 m: 18
under 914 m: 4 (1999 est.)

Airports - with unpaved runways:
total: 50
1,524 to 2,437 m: 1
914 to 1,523 m: 16
under 914 m: 33 (1999 est.)

Heliports: 3 (1999 est.)