The Sōbu Main Line is a Japanese railway line operated by the East Japan Railway Company in Japan. It connects Tokyo with the east coast of Chiba Prefecture, passing through the cities of Funabashi, C

The Sotobō Line is a railway line in Japan operated by the East Japan Railway Company adjacent to the Pacific Ocean, on the eastern side of the Bōsō Peninsula. It connects Chiba Station in Chiba to Aw