South Korea: Annual ridership trend on Daejeon Metro November 1, 2019 | Data & Statistics The Daejeon Metro line spans over 22 km, covers 22 stations, and is operated by the Daejeon Metropolitan Rapid Transit Corporation. The annual ridership on the line plummeted to 37.18 million passenge... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password