The Shibayama Railway Line (芝山鉄道線) runs for 2.2km between Higashi-Narita Station and Shibayama-Chiyoda Station, much of it underneath Narita International Airport. There are plans to extend this line farther to the southeast in the future, eventually to Kujukuri Beach on the Pacific Ocean coast of Chiba Prefecture. Platform view Higashi-Narita Station (東成田駅) is a railway station located between the terminals of Narita International Airport in Narita, Chiba Prefecture, Japan. ... Narita International Airport (Japanese: 成田国際空港 Narita Kokusai KÅ«kō) (IATA: NRT, ICAO: RJAA) is an international airport located in Narita, Chiba, Japan, in the eastern portion of the Greater Tokyo Area. ... Chiba Prefecture (千葉県 Chiba-ken) is located in the Greater Tokyo Area of Honshu Island, Japan. ...

Although the line is independently owned by the Shibayama Railway, it functionally resembles an extension of the Keisei Electric Railway. The line is operated using equipment and crews leased from Keisei, and trains continue into the Keisei network past Higashi-Narita (sometimes going as far as the Toei Asakusa Line in Tokyo). Shibayama-Chiyoda Station is designed to resemble a Keisei station. Keisei Type 3600 trainset in Shibayama Railway livery Shibayama Railway (芝山鉄道) is a railway company in Chiba Prefecture, Japan. ... The Keisei Electric Railway (京成電鉄 Keisei Dentetsu, Keisei Dentetu) is a major private railway in Chiba and Tokyo, Japan. ... The Toei Asakusa Line (都営浅草線: Toei Asakusa-sen) is a subway line in Tokyo, Japan. ... View of Tokyos Shibuya district Long a symbol of Tokyo, the Nijubashi Bridge at the Imperial Palace. ...

Because the line passes underneath the airport, it is often patrolled by police.