Hayakaken

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はやかけん

Front of a Hayakaken (2008)
Location	Usable nationwide Distributed in Fukuoka
Launched	7 March, 2009
Manager	Fukuoka City Transportation Bureau
Currency	Japanese yen
Stored-value	Pay as you go
Credit expiry	10 years after last use
Retailed	Fukuoka City Subway stations
Website	http://subway.city.fukuoka.lg.jp/hayakaken/

Hayakaken (はやかけん) is a rechargeable contactless smart card ticketing system for public transport in Fukuoka, Fukuoka Prefecture, Japan. Fukuoka City Transportation Bureau introduced the system on March 7, 2009. Its name derives from the words quick (速い, hayai), friendly (優しい, yasashii), comfortable (快適, kaiteki), and ticket (券, ken). Hayakaken (速かけん) also means "because it's quick" in the local Hakata dialect.

On March 13, 2010, Hayakaken began interoperation with Nishitetsu's nimoca, JR Kyushu's SUGOCA, and JR East's Suica smart cards.^[1] In 2013, interoperation was extended country-wide, and Hayakaken became usable in all major cities across Japan as part of the Nationwide Mutual Usage Service.^[2]