Кацусика
The is a commuter rail line operated by the third-sector Hokusō Railway in Japan. It runs between Keisei-Takasago Station in Katsushika, Tokyo and Inba-Nihon-Idai Station in Inzai, Chiba. It is part of the primary Keisei route between central Tokyo and Narita International Airport through the Narita Sky Access Line. It uses the ATS Type 1 system.