aprroximately 120,000 Cars were on the road in 1906 due to the records kept by the Car companies.
Ford did not produce Model-A cars in 1906. So the answer is Nothing.
A busy road with many cars means traffic i would think that is the best awnser
1
Infinite
it is traffic
80
there were 200andyourface cars on the road
All vehicles currently on the road are used.
a lot
Which roads in which country.
Around 4,200
over 10,000,000 cars