Question What is traction? Answers Friction between the tires and road Tires' rates of rotation The length of time needed to activate the brakes Explanation Traction is friction between your tires and the surface of the road. Adequate traction is necessary for braking and steering. This questions appears in the following tests: Alabama Class B Knowledge Test Alabama Double Alabama Passenger Hawaii Class A Knowledge Test Hawaii Class B Knowledge Test Idaho Passenger Iowa Class A Knowledge Test Montana Class B Knowledge Test Ohio Class B Knowledge Test Oklahoma Class A Knowledge Test Rhode Island Class A Knowledge Test South Dakota Class B Knowledge Test Tennessee Double Wisconsin Class B Knowledge Test