Original sentence: ("No camping or open fires").In general, if an area is public (such as that near the state line, or one with a welcome center), overnight parking is disallowed, regardless of the state laws on the matter.Iowa (24 hours allowed, but "no overnight camping").Several states allow overnight parking (that is, sleeping inside one's vehicle).South Dakota("No Camping", parking limit 3 hours).The following states do not allow overnight parking:.The term camping is often used, but this term is actually extremely vague, as the word can mean "staying in one place for an extended period (such as overnight)" or "erecting a structure as a temporary shelter (which may cause damage to the park by upturning soil).This rule seems to vary from state to state.Virginia ("No overnight parking")