A cardboard box on the road:

Question

Any foreign object on the road is potentially dangerous. For example, something seemingly harmless, such as a cardboard box or paper sack, could contain a hard or heavy object that could do serious damage to a vehicle.

Accepted Answer

Could damage vehicle parts.

Answer

Is not considered a hazard.

Answer

Should be avoided by driving off the roadway.

Answer

Will improve tires' traction.