Railways:
total: 6,240 km
standard gauge: 6,240 km 1.435-m gauge (525 km electrified) (1998 est.)

Highways:
total: 63,500 km
paved: 46,800 km (including 1,720 km of expressways)
unpaved: 16,700 km (1998 est.)

Waterways: 1,609 km; use restricted to small native craft

Pipelines: petroleum products 455 km; note—additionally, there is a parallel petroleum, oils, and lubricants (POL) pipeline being completed

Ports and harbors: Chinhae, Inch'on, Kunsan, Masan, Mokp'o, P'ohang, Pusan, Tonghae-hang, Ulsan, Yosu

Merchant marine:
total: 442 ships (1,000 GRT or over) totaling 5,212,089 GRT/8,161,845 DWT
ships by type: bulk 106, cargo 133, chemical tanker 36, combination bulk 5, container 52, liquefied gas tanker 13, multifunction large-load carrier 1, oil tanker 56, passenger 3, refrigerated cargo 22, roll-on/roll-off cargo 2, short-sea passenger 1, specialized tanker 3, vehicle carrier 9 (1998 est.)

Airports: 103 (1998 est.)

Airports—with paved runways:
total: 68
over 3,047 m: 1
2,438 to 3,047 m: 18
1,524 to 2,437 m: 15
914 to 1,523 m: 13
under 914 m: 21 (1998 est.)

Airports—with unpaved runways:
total: 35
914 to 1,523 m: 3
under 914 m: 32 (1998 est.)

Heliports: 200 (1998 est.)