What is required by some states and cities for dump body upfits?

Some states and cities require load coverings for dump body upfits to ensure that materials being transported do not fall out during transit. This requirement is primarily focused on safety and environmental concerns, as loose loads can pose hazards to other drivers and pedestrians, as well as contribute to litter and pollution.

By mandating load coverings, authorities aim to promote responsible transport practices, reducing the risk of accidents caused by debris and promoting public cleanliness. The specific requirements can vary by jurisdiction, but the general principle is that any transported materials must be secure and covered to prevent spillage.

The other options, while potentially relevant in specific contexts, do not represent the widespread legislative requirement seen across various states and municipalities regarding dump body upfits.