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South Korea flagTransportation & Infrastructure Guide

Public transit, airports, and getting around in South Korea

South Korea boasts a world-class transportation infrastructure, featuring extensive high-speed rail like KTX connecting Seoul to Busan in under 3 hours, comprehensive subway systems in major cities, and well-maintained highways. With 51.8 million residents driving on the right, strengths include technological innovation, reliability, and urban integration via GTX lines, though challenges persist in rural coverage, traffic congestion in Seoul (46% car commuting), and shifting to sustainable mobility. Visitors enjoy seamless options from Incheon Airport hubs to efficient buses and metros.
Public Transport
Good
Road Infrastructure
Good
Public Transport
9.2/10

World-class integrated systems: Seoul Metro (world's 2nd busiest, 52.4% modal share), Busan/Daegu metros, KTX high-speed rail (305 km/h), extensive bus networks. Excellent frequency, reliability, contactless payments, and multimodal integration. GTX expansions enhance regional connectivity.

Road Infrastructure
8.7/10

Extensive, high-quality network including 428 km Gyeongbu Expressway; well-maintained highways with smart traffic management, roadside sensors, dynamic speed limits. Urban roads good but congested in Seoul; strong safety features and maintenance.

Internet Speed
9.8/10

Global leader in broadband with gigabit fiber ubiquitous in urban areas, excellent rural coverage minimizing urban-rural gap. High mobile internet quality from major providers.

Avg: 520+ Mbps • Nationwide gigabit fiber from KT, SK Broadband; 95%+ households covered, extensive rural deployment

Airport Connectivity
8.6/10

23 major airports (1408 total) provide strong domestic/international links. Incheon premier global hub; good coverage via Gimpo, Jeju, Busan. High-quality facilities, efficient access.

Hubs: Incheon International (ICN), Gimpo International (GMP), Jeju International (CJU), Gimhae International (PUS)

Transportation Costs

Metro Pass
₩55,000-65,000/month (Seoul T-money)
Bus Trip
₩1,200-1,500 per ride (base fare)
Taxi
₩4,800 start + ₩500/km (daytime)
High-speed Train
₩60,000-100,000 Seoul-Busan KTX

Mobile Network

5G Coverage: Nationwide coverage from SK Telecom, KT, LG U+; full deployment in urban/rural areas by 2025
4G Coverage: 99.9% nationwide coverage, excellent even in remote regions

Top-tier reliability and speeds; leaders in 5G Standalone networks, minimal downtime, high data throughput supporting smart city infrastructure.

Driving License

IDP requiredConversion needed

Foreign licenses valid up to 1 year with IDP (Korean translation required). Long-term residents must convert to Korean license via exam after 1 year. Right-hand driving.

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View all South Korea Guides & Categories11 in-depth guides for expats & digital nomads