noun
curtailed transit schedule; reduced service
Refers to a transportation service running with fewer vehicles or less frequent departures than normal, often due to low demand or operational adjustments.
年末年始は間引き運転になります。
There will be a reduced service schedule during the New Year holidays.
Compound of 間引き (thinning out) and 運転 (operation, driving). The exact historical derivation is uncertain, but the term is conventionally used for reduced transit schedules.