For an all-terrain vehicle to be considered street-legal in Utah, it must be equipped with a rearview mirror on each side. This requirement ensures that drivers have adequate visibility of the road and surrounding traffic, which is crucial for safe driving. Having mirrors on both sides allows drivers to see approaching vehicles and monitor their surroundings, reducing the likelihood of accidents and enhancing road safety. This is part of the state’s efforts to ensure that all vehicles driving on public roads adhere to safety standards designed to protect all road users.