the state with the highest speed limit is Texas
there are places where there is NO speed limit.
Jamaica
The highest speed limit on the Interstates is 75 MPH.
25
10 mph
In the US, the maximum speed on an interstate highway is 70. Until recently, there were a couple of stretches of highway that were limitless.
Exceeding the maximum speed limit in Pennsylvania is 30+ mph over the speed limit. I was going 31 over the speed limit and received a ticket for $190.00. Depending on the area, the ticket could be more or less, but I wouldn't think it would be cheap.
The highest speed limit in Japan is 120 kilometers per hour (about 75 miles per hour) and it can be found on some expressways and highways.
The highest speed limit I know of on an Interstate highway in the U.S. is 75 MPH, but that varies.
6
The universal speed limit for material objects is c : the speed of light in a vacuum.