um... that's what road were made for... for cars to drive on. if you mean are cars aloud to drive anywhere else, no unless it's your property.
Deeper grooves improve traction for off road use but are noisy when on road use.
road
Many things are not necessary. Some of them, like fast cars, serve useful purposes.
aprroximately 120,000 Cars were on the road in 1906 due to the records kept by the Car companies.
crash
Tires or the road.
A busy road with many cars means traffic i would think that is the best awnser
there were 200andyourface cars on the road
The same year the road was built
have your yard sale on a buisy road but not on a road with multiple cars
All vehicles currently on the road are used.
by crashing into cars