headway; frequency
Technical term used in railway and transportation contexts for the time interval between consecutive trains or vehicles.
During rush hour, the headway is shortened to two minutes.
The frequency on this line is every 10 minutes during the daytime.
General term for interval or spacing; 運転時隔 is specifically the operational interval between trains or vehicles.
Refers to the overall timetable or schedule; 運転時隔 focuses on the time gap between consecutive services.
Compound of 運転 (operation, driving) and 時隔 (time interval). The exact historical derivation is uncertain, but the term is used in modern railway and transportation engineering.