ANSI/IES RP-8-18 consolidates roadway, parking, and pedestrian lighting guidelines into a single 430-page manual, focusing on luminance-based design for safety and efficiency. The standard integrates modern solid-state lighting (SSL) technology and offers specific design criteria based on pedestrian conflict levels. Access the official standard or view the preview at IES Webstore IES Learning
Improve Safety: Substantially decrease nighttime automobile collisions and increase pedestrian visibility. ansi ies rp-8-18 pdf
Glare and Uniformity: The practice sets limits on "veiling luminance" (glare) and requires specific uniformity ratios to prevent dangerous dark spots on the road. Glare and Uniformity: The practice sets limits on
in 2018, this comprehensive document consolidated several previous individual standards into a single, cohesive "tome" of nearly 430 pages. It represents a shift towards a more holistic approach to outdoor illumination, balancing the critical need for public safety with environmental concerns and energy efficiency. ANSI Webstore A Unified Framework for Visibility and Safety ANSI Webstore A Unified Framework for Visibility and
Uplight: Controls light directed into the sky to protect astronomical observations.
Roadway Lighting: Design methods for highways and streets (luminance and illuminance methods).