Address obtrusive light, such as sky glow and light trespass.

It recommends the Luminance method for straight roads and the Illuminance method for curved streets and intersections.

Over the next few weeks, Emily and her team worked tirelessly to develop a comprehensive plan. They pored over the RP-8-18 guidelines, ensuring that every detail was accounted for. They selected the perfect LED fixtures, designed a layout that maximized light coverage, and even conducted an analysis to determine the potential energy savings.

A major focus of the 2018 update was improving visibility for non-motorists. The standard highlights Vertical Illuminance

Understanding ANSI/IES RP-8-18: The Master Standard for Roadway Lighting

Do not rely on a sketchy "ANSI IES RP-8-18 PDF" from an unknown website. The cost of the official document ($150–$200) is negligible compared to the cost of a failed inspection, redesign, or litigation.