1/2 a car
imposible
A busy road with many cars means traffic i would think that is the best awnser
About 450 road miles.
1
most helicopters can fly at least 150 mph. Some cars are faster, but not everyday road cars
Infinite
it is traffic
80
aprroximately 120,000 Cars were on the road in 1906 due to the records kept by the Car companies.
there were 200andyourface cars on the road
All vehicles currently on the road are used.
a lot