The Korea Train Express (KTX) is a high-speed rail service in South Korea that connects major cities, including Seoul, Busan, and Incheon. Launched in 2004, the KTX operates on dedicated tracks, allowing trains to reach speeds of up to 300 km/h (186 mph). This service significantly reduces travel time between cities, making it a popular choice for both locals and tourists. KTX trains are known for their modern design and comfortable seating. They offer various classes, including standard and first class, with amenities such as Wi-Fi and food services. The KTX is an essential part of South Korea's transportation infrastructure, promoting efficient travel across the country.