Is it bad to drive on unpaved roads?

The problem with regularly driving on dirt roads is what it can do to your car. Dust will kick up everywhere, and you'll battle your share of rock chips. The suspension system may take a beating, especially the shocks and bushings.

Why are unpaved roads bad?

Unpaved roads may generate a lot of dust during dry periods. This dust can alter roadside vegetation, and has been considered to harm human health. In addition, any chemicals that are applied to unpaved roads to keep down dust may themselves have ecological or health effects.