In addition to safety alerts, what other information may construction and maintenance signs provide?

Answer: C — Details about road work and detours

Construction and maintenance signs are essential for informing drivers about current work zones, potential hazards, and any necessary detours they may need to take during their route. The correct choice highlights that these signs often include details such as what types of road work are being conducted, the specific areas affected, and alternative routes to help manage traffic flow and minimize disruptions. While options like weather updates, local traffic regulations, or information about nearby attractions may be beneficial in certain contexts, they are not the primary focus of construction and maintenance signage. These signs are specifically designed to ensure safety and efficiency during road work, making it critical for drivers to understand the nature of the construction activities occurring ahead.