If you must find the exact “PR 402” document:
with specific color temperatures—2700K, 3000K, and 4000K. No longer just about "brightness," the new lighting focused on rendering color accurately , making roads safer and cities feel more vibrant. Chapter 2: The Geometry of Light (PR-402 Principles) pr 402- abu dhabi lighting manual
Defines classes such as M2 and M4 based on luminance levels (e.g., 1.0 to 1.5 cd/m²) and uniformity ratios tailored to vehicle speed and road type. If you must find the exact “PR 402”
: Detailed documentation, including certification, testing data, and photometrical analysis, is required for project approval. Maintenance & Warranty and photometrical analysis
You can often find technical extracts or standard drawings related to PR-402 on professional platforms like Scribd or LinkedIn .
