Translation guide
In Japanese, 'rapid express' refers to a type of train service that is faster than a local train but slower than a limited express. The term is primarily used in the context of railway transportation.
Referring to a rapid express train service, which stops at fewer stations than local trains but more than limited express trains.
The standard term for 'rapid express' train. Often abbreviated to 快急 (かいきゅう) in timetables.
快速急行は次の駅に停まります。
The rapid express will stop at the next station.
Abbreviation of 快速急行, commonly used in station signage and announcements.
快急は通過します。
The rapid express will pass through.
Japanese railways have several service types. From slowest to fastest: 普通 (local), 快速 (rapid), 急行 (express), 快速急行 (rapid express), 特急 (limited express). Note that 'rapid express' is a combination of rapid and express, stopping at fewer stations than a rapid but more than an express.