If the runway is in the city, the speed limit is 20 miles per hour unless otherwise posted.
In general the answer is, technically, no, you may not. However if you are passing a slower moving vehicle it would be considered 'lawful' to exceed the limit to pass the slower moving vehicle and then immediately return to the posted limit once it was passed.
Vehicle in front of you
The age limite for drive in califonia is 18, 18 is the legal age. u can drive at 16, but you need Driving school and about 70 hours of practice driving.
Because driving above the speed limit is a traffic violation
Assess the conditions
30
15MPH
15MPH
for the airfeild driving course the answer is "instalation comander"
15MPH
When no limit posted. You will go at the speed that lets you keep full control of the airplane and also safe for everyone around you including yourself.
maximum speed limit when driving on a taxiway or inactive runway is
15 mph
0.04 same as if you were driving a commercial vehicle
5
5 mph
10 mph maximum