Railways:
total: 4,623 km
narrow gauge: 4,623 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: 293 ships (1,000 GRT or over) totaling 1,848,626 GRT/2,989,382 DWT
ships by type: bulk 41, cargo 135, chemical tanker 5, combination bulk 1, container 13, liquefied gas tanker 17, multifunction large-load carrier 3, oil tanker 61, passenger 1, refrigerated cargo 11, roll-on/roll-off cargo 2, short-sea passenger 1, specialized tanker 2 (1998 est.)

Airports: 107 (1998 est.)

Airports—with paved runways:
total: 56
over 3,047 m: 6
2,438 to 3,047 m: 9
1,524 to 2,437 m: 17
914 to 1,523 m: 20
under 914 m: 4 (1998 est.)

Airports—with unpaved runways:
total: 51
1,524 to 2,437 m: 1
914 to 1,523 m: 15
under 914 m: 35 (1998 est.)

Heliports: 3 (1998 est.)