Locations of where High Pressure Sodium lights are still intact

[tolbs17]

most of them have been converted to LEDs by now, but there are some HPS lights here: https://goo.gl/maps/KVC7vnjEcLbAtrdHA

As well as here: https://goo.gl/maps/sffre9J3CMwxWb9y5

I'm sure there are a lot more, but they are still in the process of converting the HPS lights to LEDs.

[Revive 755]

Lots of them still in Illinois.