The Keisei 3100 series (京成3100形) is an electric multiple unit (EMU) train type operated by the private railway operator Keisei Electric Railway on Narita Sky Access Line services.The top speed of Keisei 3100 series is 120 km/h.
The Keisei 3100 series (京成3100形) is an electric multiple unit (EMU) train type operated by the private railway operator Keisei Electric Railway on Narita Sky Access Line services.The top speed of Keisei 3100 series is 120 km/h. (en)