It is estimated that there were 6 million cars on the road in 1930. The exact number is not known, because some states did not register vehicles.
there are more cars on the road
1200
A busy road with many cars means traffic i would think that is the best awnser
1930 honda
1
Almost all road vehicles ran on petrol (gasoline). Diesel existed but was rare and unusual.
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.