The is a "Rapid" labelled suburban rail service in Greater Tokyo operated since 1991 by East Japan Railway Company

East Japan Railway Company

is the largest passenger railway company in the world and one of the seven Japan Railways Group companies. The company name is officially abbreviated as JR East in English, and as in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo....

 (JR East). It runs from to via the Yokosuka

Yokosuka Line

The is a railway line in Japan operated by the East Japan Railway Company .The Yokosuka Line connects in Chūō, Tokyo and in Yokosuka, Kanagawa...

, Sōbu

Sobu Line (Rapid)

The is a railway service on the Sōbu Main Line in Tokyo and Chiba Prefecture, Japan. It connects in Chūō, Tokyo and in Chūō-ku, Chiba via the cities of Ichikawa, Funabashi, and Narashino...

, and Narita

Narita Line

The is the name for a combination of three railway lines located in Chiba Prefecture, Japan, operated by East Japan Railway Company .The main line runs between Sakura Station and Matsugishi Station , and is sometimes referred to as the...

 lines, with a total length of 152.5 km. Only trains heading towards Narita Airport are identified as Airport Narita; those on the return journey towards Tokyo

Tokyo Station

is a train station located in the Marunouchi business district of Chiyoda, Tokyo, Japan, near the Imperial Palace grounds and the Ginza commercial district....

 are un-named.

Rolling stock used

All Airport Narita services are operated using E217 series

E217 series

The is a suburban electric multiple unit train type operated by East Japan Railway Company in the Kantō region of Japan since 1994.-Design:...

 EMUs

See also

• Narita Express
  Narita Express
  , abbreviated as N'EX, is a limited express train service operated since 1991 by East Japan Railway Company , serving Narita International Airport from various Greater Tokyo Area stations. Services are approximately half-hourly in the mornings and evenings, and hourly through the middle of the day...
  
  limited express service between destinations in the Tokyo area and Narita Airport