交通量(こうつうりょう)

こうつうりょう
noun
traffic volume; amount of traffic
1. traffic volume; amount of traffic; traffic flow
The quantity of vehicles or pedestrians passing through a given point or area. Used in transportation planning, road management, and everyday descriptions of how busy a road is.
この道路(どうろ)は交通量(こうつうりょう)が多(おお)い。
This road has heavy traffic.
朝(あさ)の通勤(つうきん)時間帯(じかんたい)は交通量(こうつうりょう)が増(ふ)える。
Traffic volume increases during the morning commute.
交通量(こうつうりょう)調査(ちょうさ)の結果(けっか)、新(あたら)しい信号(しんごう)を設置(せっち)することが決(き)まった。
As a result of a traffic volume survey, it was decided to install a new traffic signal.

交通量(こうつうりょう) measures the volume of vehicles or pedestrians passing through a given point. It covers both car traffic and foot traffic depending on context.

FORMATION:
交通(こうつう) (traffic) + 量(りょう) (quantity). A straightforward compound noun.

COMMON COLLOCATIONS:

  • 交通量(こうつうりょう)が多(おお)い / 少(すく)ない (heavy / light traffic)
  • 交通量(こうつうりょう)が増(ふ)える / 減(へ)る (traffic increases / decreases)
  • 交通量(こうつうりょう)調査(ちょうさ) (traffic volume survey)
  • 一日(いちにち)の交通量(こうつうりょう) (daily traffic volume)

USAGE:
Frequent in news reports, urban planning documents, and everyday conversation about road conditions. Often paired with 多(おお)い/少(すく)ない rather than 大(おお)きい/小(ちい)さい.

RELATED:

  • 渋滞(じゅうたい): traffic jam (the result of high 交通量(こうつうりょう))
  • 通行量(つうこうりょう): passage volume (more formal/technical synonym)
general
Added 2026.3.19 15:58 · Revised 2026.4.5 18:02
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