Which of the following is a common tool for guiding through areas that are under construction?

Answer: C — Traffic cones

Traffic cones are commonly used in construction areas to create clear pathways and ensure safety for both drivers and workers. They indicate where vehicles should or should not go, helping to direct traffic away from hazardous zones. The bright color of the cones makes them highly visible, which is crucial in an environment where visibility might be compromised due to construction activities. Flashing lights can be used to provide warnings or draw attention to hazards, but they don’t physically guide traffic like cones do. Road maps are not practical in informing drivers of immediate areas under construction, as they offer broader spatial information. Detour signs are also helpful in redirecting traffic, but they come into play once traffic is already diverted, whereas cones are actively used to delineate areas within the construction zone itself.