Lighting Levels for Isolated Intersections: Leading to Safety Improvements Status: CompleteReport Date: 01/13/2015 Summary: Researchers collected and analyzed data about nighttime light levels at both lighted and unlighted rural intersections and crash rates at those intersections. They found that increased lighting levels reduced nighttime crash rates, with the greatest potential impact at unlighted intersections. Final Deliverables: Lighting Levels for Isolated Intersections: Leading to Safety Improvements (Report #2015-05) Rural Intersection Lighting Reduces Nighttime Crash Rates (Research Summary) Related Materials: Related Research: