Best Answer

any ideas
Light travels at c in a vacuum. No mass can be accelerated to the speed of light. There are theoretical particles (tachyons) that travel faster than light, but their existence has not been demonstrated.

c = exactly 299,792,458 metres per second (1,079,252,849 km/h).

Links are provided to the relevant Wikipedia articles.
It is 268mph or 431kph by the Bugatti Veyron SuperSport.

User Avatar

Wiki User

5y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

10y ago

432.7 km/h is the reported fastest speed on a public highway.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the fastest speed ever recorded on a public highway?
Write your answer...
Still have questions?
magnify glass