Palomar Skies: Why Astronomers Love Low-Pressure Sodium Lights
Lighting: the Quest for White - Part 1 of 2
LED Street Light Installation Project
Sodium-vapor street light vs LED [X-post /r/oddlysatisfying : r/electricians
Lighting Comparison: LED vs High Pressure Sodium/Low Pressure Sodium
Difference of a Solar Street Light vs. Traditional Light
LUX | LED vs HPS Street Lighting
Like It or Not, Chicago's About to Get a Lot Less Orange – Chicago Magazine
PPL Electric Utilities
LED vs HPS Street Lights: What's Better in 2020? - HeiSolar
Street Lights | Sugar Land, TX - Official Website
The Solar LED Street Light VS The Traditional High-Pressure Sodium Lamp Street Lamp-Shenzhen Jinsdon Lighting Technology Co., Ltd
As use of LED street lights grows, so do concerns over 'blue light' - The Boston Globe
They are replacing street lights with new LED lamps. It is supposed to reduce the electricity bill and the light pollution. I don't know about the pollution, but the street looks better. :
How Safe Are High Pressure Sodium Lamps Compared to LED? | OEO LED Lighting
Does LED street lamps better than high-pressure sodium lamps? | MKLIGHTS
Do LED streetlights look like a prison yard searchlight? - EDN
LED streetlights decimating moth numbers in England | Insects | The Guardian
LED street lighting: Unburdening our cities
LEDs: Light Pollution Solution or Night Sky Nemesis? - Universe Today
Converting Street Lights to LED | Santa Rosa, CA
LED Street and Area Lighting Upgrade | Otter Tail Power Company
LED Lights vs High Pressure Sodium | IIT Building Science Blog
LED vs HPS Street Lights: What's Better in 2020? - HeiSolar
Green LED street light VS traditional high pressure sodium street light - BBIER®
Decrolux | High Pressure Sodium vs LED - What's The Difference
