1.
maximum speed; top speed
The highest speed that a vehicle, object, or system can reach. Used in traffic regulations, vehicle specifications, and physics.
最高速度は時速300キロだ。
The top speed is 300 kilometers per hour.
この道路の最高速度は時速60キロに制限されている。
The speed limit on this road is set at 60 kilometers per hour.
新幹線の最高速度は年々向上しており、現在は時速320キロに達する。
The Shinkansen's maximum speed has been improving year after year and currently reaches 320 kilometers per hour.
USAGE:
Used in traffic law, vehicle specs, and physics. In traffic contexts, 最高速度 often means the speed limit rather than the fastest a vehicle can go. Context determines the meaning.
COMMON COLLOCATIONS:
- 最高速度に達する (to reach maximum speed)
- 最高速度制限 (speed limit)
- 最高速度を出す (to reach top speed)
- 法定最高速度 (legal speed limit)