When are headlights legally required to be used in Iowa?

In Iowa, the law requires headlights to be used from sunset to sunrise. This regulation is in place to enhance visibility for drivers, ensuring that vehicles are clearly visible to others on the road during nighttime hours. Using headlights during these times is crucial for safety, as it helps prevent accidents that can occur in low-light conditions.

While headlights might also be advisable during other situations, such as in adverse weather or heavy traffic conditions, the legal requirement specifically stipulates their use from sunset to sunrise. This comprehensive definition helps maintain consistency and clarity for all drivers in Iowa.