東急東横線
With the completion of the underground link line to the Tokyo Metro Fukutoshin Line on March 16, 2013, Minatomirai Line trains run onto the Fukutoshin Line via the Tōkyū Tōyoko Line and beyond to the Tōbu Tōjō Line, Seibu Yūrakuchō Line, and Seibu Ikebukuro Line.