Translation guide
A train that stops only at major stations, faster than a local train but not as fast as an express. In Japan, this is typically called 快速 (kaisoku).
The most common type of rapid-service commuter train in Japan, making limited stops.
The standard term for a rapid-service train. It skips some stations but stops at more than an express. Commonly seen on JR lines and some private railways.
Variants or similar concepts that may be translated as 'rapid-service commuter train' in English but have specific names in Japanese.
Japanese train services are categorized by stopping patterns. From slowest to fastest: 各駅停車 (local), 快速 (rapid), 急行 (express), 特急 (limited express). A 'rapid-service commuter train' is usually 快速, but some lines have special variants like 通勤快速. Always check the train's destination and stopping pattern on platform signs or apps.
On some private railways, 快速 may be called 急行 or have different names. For example, on the Tōkyū lines, 'express' is 急行 and 'limited express' is 特急, but there is no 快速. When in doubt, look for English signage or ask station staff.
Does the next rapid train stop at Shinjuku?
Rapid trains are faster than local trains.
Explicitly says 'rapid train' (electric train). Used in announcements or when distinguishing from other types.
A rapid train is arriving.
Commuter rapid service, often running during rush hours with limited stops. Found on JR lines like the Chūō Line.
The commuter rapid runs only on weekday mornings.
A rapid service that operates only on a specific section of a line, then becomes a local train. Common on some JR West lines.
This section rapid will stop at every station from Amagasaki.