30/50.
13.
What is the purpose of rumble strips?
They alert drivers to potential tire problems.
They test a vehicle"s shock absorbers.
Through vibration and sound, they alert inattentive drivers to the fact that their vehicles have left the travel lane.
90 5138 29 C [] 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests