headway; interval between trains or buses
Technical term used in transportation scheduling. Refers to the time gap between consecutive vehicles on the same route. 'Terminal dwell time' is a related but narrower meaning.
The headway during rush hour is 2 minutes.
Shorten the headway to ease congestion.
ダイヤ refers to the overall timetable or schedule, while 運転間隔 specifically means the interval between consecutive vehicles.
間隔 is a general word for interval or spacing. 運転間隔 is a compound specifically for vehicle operation intervals.
Compound of 運転 (operation, driving) and 間隔 (interval, spacing).