.
"However, the non-parametric analysis does not show crash reduction for significantly more than 50 percent of the make-models (fitted with LED brake lights). Instead, rear-impact rates actually increased with LED for the majority of these models."
Full Study:
http://www-nrd.nhtsa.dot.gov/Pubs/811712.pdf
"However, the non-parametric analysis does not show crash reduction for significantly more than 50 percent of the make-models (fitted with LED brake lights). Instead, rear-impact rates actually increased with LED for the majority of these models."
Full Study:
http://www-nrd.nhtsa.dot.gov/Pubs/811712.pdf