noun
commuter express; rapid-service commuter train
Abbreviation of 通勤快速 (tsuukin kaisoku). Used primarily in railway announcements and signage for express trains serving commuters.
See also: 通勤快速
朝の通快はいつも混んでいる。
The morning commuter express is always crowded.
この駅には通快が停まりますか?
Does the commuter express stop at this station?