Past Projects

RES-1-16
Measure and Report Luminaire Dirt Depreciation (LDD) in Led Luminaires for Street and Roadway Lighting Applications [RES-1-16]
Measure and Report Luminaire Dirt Depreciation (LDD) in Led Luminaires for Street and Roadway Lighting Applications

Collaborating Funders:  Virginia Tech Transportation Institute

Principal Investigator: Center for Infrastructure-Based Safety Systems, Virginia Tech Transportation Institute

Objectives: The primary objective of this research was to determine LDD for various types of LED luminaires in the field.  This research sought to characterize LED luminaire performance for various luminaire optics types, luminaire materials, luminaire IP ratings, and luminaire installation environments.

Final Report Published 2016