Infinite
A busy road with many cars means traffic i would think that is the best awnser
1
80
it is traffic
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.
Around 4,200
Which roads in which country.
a lot
over 10,000,000 cars
the widest road is in Brazil. 160 cars can drive side by side