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Keikyu Airport Line
Keikyu Airport Line
	KK
	A N1000 series approaching Kōjiya station
Overview
Native name	京急空港線
Owner	Keikyu
Locale	Tokyo
Termini	Keikyū Kamata; Haneda Airport Terminal 1·2;
Stations	7
Service
Type	Commuter rail
History
Opened	28 June 1902; 122 years ago
Technical
Line length	6.5 km (4.0 mi)
Number of tracks	2
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Old gauge	4 ft 6 in (1,372 mm)
Electrification	1,500 V DC (overhead catenary)
Operating speed	110 km/h (70 mph)
Signalling	Automatic closed block
Train protection system	C-ATS

The Keikyu Airport Line (京急空港線, Keikyū Kūkō-sen) is a 6.5 km (4.0 mi) commuter line operated in Japan by the private railway operator Keikyu. It connects Keikyu Kamata with Haneda Airport Terminal 1·2 (at Tokyo International Airport) in Tokyo, and has Express (急行), Limited Express (特急, 快特) and Airport Limited Express (エアポート快特) services, virtually all of which continue along the Keikyu Main Line either north to Shinagawa Station in central Tokyo with some trains continuing onto the Toei Asakusa Line, or south to Yokohama Station and onward towards Zushi-Hayama Station.

There is a switchback at Keikyū Kamata for direct train services between Yokohama Station and Haneda Airport.

Service types

Keikyu operates the following different types of service, including all-stations "Local" trains.

Abbreviations:

Lo = Local (普通, Futsū): Stops at all stations
Exp = Express (急行, Kyūkō)
TLE = TOKKYŪ Limited Express (特急, Tokkyū)
KLE = KAITOKU Limited Express (快特, Kaitoku)
ALE = Airport Limited Express (エアポート快特, Eapōto Kaitoku)

Station list

No.	Name	Japanese	Distance (km)	Lo	Exp	TLE	KLE	ALE	Transfers	Notes	Location
KK11	Keikyū Kamata	京急蒲田	0.0	●	●	●	●	\|	KK Keikyu Main Line (through service)		Ota, Tokyo
KK12	Kōjiya	糀谷	0.9	●	●	●	\|	\|
KK13	Ōtorii	大鳥居	1.9	●	●	●	\|	\|
KK14	Anamori-inari	穴守稲荷	2.6	●	●	●	\|	\|
KK15	Tenkūbashi	天空橋	3.3	●	●	●	\|	\|	MO Tokyo Monorail (MO07)
KK16	Haneda Airport Terminal 3	羽田空港第3ターミナル	4.5	●	●	●	●	●	MO Tokyo Monorail (MO08)	Named Haneda Airport International Terminal until March 2020^[1]
KK17	Haneda Airport Terminal 1·2	羽田空港第1・第2ターミナル	6.5	●	●	●	●	●	MO Tokyo Monorail (Terminal 1: MO10, Terminal 2: MO11)	Formerly named Haneda Airport (until October 2010)^[2] and Haneda Airport Domestic Terminal (until March 2020)^[1]

History

On 28 June 1902, the Keihin Railway opened the 1,435 mm (4 ft 8+1⁄2 in) gauge Anamori Line from Kamata to Anamori Station (穴守駅) (close to the present-day Tenkūbashi Station), electrified at 600 V DC.^[3] In 1904, the line was regauged to 1,372 mm (4 ft 6 in) in conjunction with the regauging of the Keikyu Main Line. The entire line was double-tracked in 1910.^[3]

The line was built to transport the visitors of Anamori Inari Shrine which was located in front of Anamori Station. Keihin Railway built a baseball park, tennis court, swimming pool, amusement park nearby to help increase the users of the line. In 1931, Haneda Airport opened 500 m (1,600 ft) north of Anamori Station.

The line was the primary rail route to Haneda Airport (via Anamori Station) until 1945, when the airport was taken over by the United States Armed Forces. The line was converted back to single track in order to make way for a parallel freight line. Service to the airport island resumed on 20 April 1956 when the line was extended to a new Haneda Airport Station (present-day Tenkūbashi Station), and from 1 November 1963 the line was renamed the Airport Line.^[3] It was not commonly used to access the airport for many years, as frequencies were limited and no through services to central Tokyo were offered, in comparison to the Tokyo Monorail which provided direct service from Hamamatsucho to the airport terminal beginning in 1964.

Haneda Airport was significantly expanded with a new terminal in 1993, and Keikyu received government permission to serve the new terminal as the monorail alone was deemed to have inadequate capacity. From 18 November 1998, the Airport Line was extended from Tenkūbashi to Haneda Airport Station (present-day Haneda Airport Terminal 1·2 Station^[1]), allowing direct service between the airport and major stations such as Shinagawa and Yokohama.^[3] Haneda Airport International Terminal Station opened on 21 October 2010.^[3]

Keikyu teamed up with Sega to decorate a special limited edition "Sonic the Hedgehog/Puyo Puyo" train which ran on the Keikyu Airport line from 14 November 2016 to 17 December 2016 to celebrate the 25th anniversary for both games. The train was part of the Keikyu 2100 series' "Keikyu Blue Sky Train" livery and featured images of Sonic, Tails, Knuckles, Amy, Shadow, Silver, Eggman and Carbuncle as well as a collection of the game's expressive stacking blobs. In addition, signs at the Airport Line's Otorii Station, the closest stop to the site of Sega's original office prior to 2018, were featuring special images honoring the games.^[4]

From the timetable revision effective 25 November 2023, all "Airport Express" services will be renamed to "Express" while abandoning the airplane symbology used on these services.^[5]

Future plans

Service levels are expected to be increased following the completion of tail tracks at Haneda Airport Terminal 1·2 Station.^[6]

References

^ ^a ^b ^c "羽田空港国際線旅客ターミナルビル等の名称変更に伴う駅名変更を2020年3月実施します" (in Japanese). 京浜急行電鉄. 26 February 2019. Retrieved 7 September 2019.
^ Terada, Hirokazu (19 January 2013). データブック日本の私鉄 [Databook: Japan's Private Railways]. Japan: Neko Publishing. p. 233. ISBN 978-4-7770-1336-4.
^ ^a ^b ^c ^d ^e Terada, Hirokazu (19 January 2013). データブック日本の私鉄 [Databook: Japan's Private Railways]. Japan: Neko Publishing. p. 232. ISBN 978-4-7770-1336-4.
^ Baseel, Casey (8 November 2016). "All aboard the Sega Train! Tokyo rail operator decorates carriages for Sonic's 25th anniversary". SoraNews24 -Japan News-. Retrieved 23 July 2023.
^ "京急電鉄11/25ダイヤ改正「エアポート急行」名称変更で「急行」に" [Keikyu Electric Railway timetable revised on 25 November with "Airport Express" changing to "Express"]. MyNavi Corportation (in Japanese). 24 October 2023. Archived from the original on 25 October 2023. Retrieved 29 October 2023.
^ "京急空港線羽田空港第1・第2ターミナル駅引上線の工事に着手" [Construction of tail tracks has begun at Haneda Airport Terminal 1·2 station on the Keikyu Airport Line]. Japan Railfan Magazine Online (in Japanese). 8 August 2022. Archived from the original on 9 August 2022. Retrieved 10 August 2022.