The Seoul Subway is a vast and efficient public transportation system serving the city of Seoul, South Korea. It consists of 23 lines that connect various districts, making it easy for residents and tourists to navigate the city. The subway is known for its punctuality, cleanliness, and safety, with trains running frequently throughout the day. Each subway station is equipped with clear signage in both Korean and English, facilitating easy access for non-Korean speakers. The system also offers various payment options, including rechargeable cards, which streamline the boarding process. Overall, the Seoul Subway is a vital part of urban life in Seoul.