Projector headlights are more common in modern cars, implementing a far more focused beam of light on to the road compared to ...

When a vehicle’s headlights shine on these reflectors, the light is returned to the driver, making road markings, boundaries, or obstacles more visible, particularly at night or in poor weather.

The reflectors indicate the location of a water source. In the county, hydrants are more sparse and can be more difficult to locate, especially when dark.