The Incheon Metropolitan Subway is a rapid transit system serving the city of Incheon, South Korea. It consists of multiple lines that connect key areas within the city and extend to neighboring regions, making it a vital transportation option for residents and visitors. The subway is known for its modern trains, clean stations, and efficient service. Opened in 1999, the subway has expanded over the years to accommodate the growing population and urban development in Incheon. It integrates with other transportation systems, including buses and the Seoul Metropolitan Subway, providing seamless travel options for commuters across the greater Seoul area.