Weighing the costs of LED street lights - EDN
Lighting Supply Blog: A Little Light Reading - LIGHTING SUPPLY
Calgary completes conversion of 80K street lights to LED, expects $5M in annual savings | CBC News
Palomar Skies: Why Astronomers Love Low-Pressure Sodium Lights
Choosing between LED and HPS street lights | LEDs Magazine
As use of LED street lights grows, so do concerns over 'blue light' - The Boston Globe
LED streetlights: Doctors issue warning | CNN
Does LED street lamps better than high-pressure sodium lamps? | MKLIGHTS
How Safe Are High Pressure Sodium Lamps Compared to LED? | OEO LED Lighting
Advantages of LED vs. High Pressure Sodium Area Lights | HomElectrical.com
Charlotte to phase in less energy-greedy street lights | PlanCharlotte.org
The LED's Challenge to High Pressure Sodium - YouTube
LED street lights too bright for some Columbus residents
Green LED street light VS traditional high pressure sodium street light - BBIER®
LED Lights VS HPS Lights - TACHYON Light
The Solar LED Street Light VS The Traditional High-Pressure Sodium Lamp Street Lamp-Shenzhen Jinsdon Lighting Technology Co., Ltd
LED streetlights: Doctors issue warning | CNN
Case Study: LED vs HPS Street lights : Provident Procurement
Converting Street Lights to LED | Santa Rosa, CA
FPL can help with your LED Street Lights
Lighting Comparison: LED vs High Pressure Sodium/Low Pressure Sodium
Comparison of LED Lighting vs. High Pressure Sodium (HPS) and Low Pressure Sodium (LPS) Lamps - RJR deals
Knoxville's new LED street lights could open night sky
