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Transportation & Infrastructure Guide in South Korea

Public transit, airports, and getting around

South Korea exemplifies modern mobility with its world-class high-speed rail (KTX Seoul-Busan), extensive subway systems (Seoul's 26% commute share), and the pioneering Gyeongbu Expressway. Incheon International Airport serves as a global hub, complemented by 23 major airports. Urban public transport excels, though traffic congestion challenges car-dependent suburbs. T-Money cards enable seamless multimodal travel for 51.8 million residents and visitors, supported by digital innovations and a right-hand driving network.
Public Transport
Good
Road Infrastructure
Good
Public Transport
9.2/10

World-class integrated systems with Seoul's subway (26% trips), extensive bus networks, and KTX high-speed rail enabling half-day nationwide travel. T-Money card offers seamless transfers; high frequency, reliability, and accessibility in cities, good regional coverage.

Road Infrastructure
8.7/10

High-quality 428 km Gyeongbu Expressway and nationwide highways with excellent maintenance. Urban roads well-managed with advanced traffic systems; safety features strong, though congestion high in Seoul metro area.

Internet Speed
9.8/10

Among world's fastest with ubiquitous gigabit fiber; minimal urban-rural gap due to aggressive national broadband investment.

Avg: 950+ Mbps • Nationwide gigabit coverage; 90%+ households with FTTH

Airport Connectivity
8.8/10

23 major airports including world-class Incheon (ICN) as primary global hub; strong domestic network and international routes to Asia, Europe, Americas. Excellent accessibility via rail/port links.

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

Transportation Costs

Metro Pass
₩55,000-65,000/month (Seoul basic)
Bus Trip
₩1,300-1,500 single ride
Taxi
₩4,800 start + ₩100-200/km
High-speed Train
₩60,000-100,000 Seoul-Busan KTX

Mobile Network

5G Coverage: Nationwide coverage by SK Telecom, KT, LG U+ since 2023; 90%+ population access
4G Coverage: 99.9% nationwide coverage across all carriers

Top-tier reliability with ultra-fast 5G ubiquitous in urban/rural areas; supports seamless ride-hailing, navigation, and real-time transit apps.

Driving License

IDP requiredConversion needed

International Driving Permit (IDP) required with original license for up to 1 year. EU/foreign licenses valid short-term with IDP; long-term residents (over 1 year) must convert to Korean license via exam.

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View all South Korea Guides & Categories14 in-depth guides for expats & digital nomads