Railways:
total: 6,458 km
narrow gauge: 5,961 km 1.067-m gauge (101 km electrified; 101 km double track); 497 km 0.750-m gauge (1995)

Highways:
total: 342,700 km
paved: 158,670 km
unpaved: 184,030 km (1997 est.)

Waterways: 21,579 km total; Sumatra 5,471 km, Java and Madura 820 km, Kalimantan 10,460 km, Sulawesi (Celebes) 241 km, Irian Jaya 4,587 km

Pipelines: crude oil 2,505 km; petroleum products 456 km; natural gas 1,703 km (1989)

Ports and harbors: Cilacap, Cirebon, Jakarta, Kupang, Palembang, Semarang, Surabaya, Ujungpandang

Merchant marine:
total: 587 ships (1,000 GRT or over) totaling 2,707,004 GRT/3,701,001 DWT
ships by type: bulk 37, cargo 348, chemical tanker 8, container 20, liquefied gas tanker 5, livestock carrier 1, oil tanker 116, passenger 9, passenger-cargo 13, roll-on/roll-off cargo 11, short-sea passenger 7, specialized tanker 7, vehicle carrier 5 (1998 est.)

Airports: 443 (1998 est.)

Airports—with paved runways:
total: 125
over 3,047 m: 4
2,438 to 3,047 m: 11
1,524 to 2,437 m: 41
914 to 1,523 m: 39
under 914 m: 30 (1998 est.)

Airports—with unpaved runways:
total: 318
1,524 to 2,437 m: 5
914 to 1,523 m: 31
under 914 m: 282 (1998 est.)

Heliports: 4 (1998 est.)