What type of sign provides information on road work zones?

The correct answer is construction warning signs, as these signs are specifically designed to alert drivers to the presence of road work zones and any potential hazards associated with them. These signs often feature bright colors, such as orange, and symbols indicating the type of work being performed, such as lane closures, detours, or workers present. Their main purpose is to enhance safety by preparing motorists for changes in road conditions and to encourage them to reduce speed or exercise caution while navigating through affected areas. This focus on road work zones makes construction warning signs essential for conveying critical information to drivers.

Regulatory signs, on the other hand, are meant to enforce laws, such as speed limits or no-parking regulations, and don't specifically pertain to construction zones. Guide signs provide information about the location, directions, or services available, but they do not address the immediate changes or challenges presented by ongoing road work. Informational signs serve a general purpose but are not specifically tailored to communicate hazards or alerts related to construction activities. Therefore, construction warning signs are the most appropriate choice when it comes to informing drivers about road work zones.