1.
traffic
The movement of vehicles on roads, or the condition of such movement.
交通 covers both traffic flow and transportation systems.
COMMON COLLOCATIONS:
- 交通事故: traffic accident
- 交通機関: transportation system
- 交通費: transportation costs
- 交通渋滞: traffic jam
- 公共交通: public transportation
- 交通ルール: traffic rules
RELATED EXPRESSIONS:
- 交通が便利: convenient transportation
- 交通が不便: inconvenient transportation