What is one of the core purposes of pavement markings?

Answer: B — To provide guidelines for vehicle positioning and control

The core purpose of pavement markings is to provide guidelines for vehicle positioning and control. These markings are essential for promoting safe driving practices by clearly delineating lanes, indicating turn lanes, and guiding drivers on how to navigate intersections. They help maintain orderly traffic flow and facilitate communication among drivers by providing visual cues about road conditions and expected behavior on the road. For example, lane markings allow drivers to understand where to position their vehicles, while stop lines indicate where a vehicle must stop at an intersection or traffic signal. This organization is crucial for reducing confusion and preventing accidents, making roadways safer for all users. Other options do not align with the primary functions of pavement markings. Decorative features are not a core purpose; markings serve functional rather than aesthetic roles. Support for wildlife migration is unrelated to the intent of road markings, which focus on human traffic management. Similarly, while weather conditions can impact driving, markings themselves do not convey this information directly.