59 mph
one MPH is 1.6 KMH, you do the math.
45 MPH
tested speed is 174 mph or 279 kmh
40 mph
The top speed of the A-10 is about 706 kmh or 439 mph
The posted speed limit is the max speed.
138 mph/222 Kmh
When the school speed limit sign shows 20 mph flashing, the maximum speed limit is 20 miles per hour.
No, it is illegal to exceed the speed limit by any amount, including 5 mph.
55 on the highway, and 30 in the city.
25 MPH
about 90 kmh