Appropiate Roads 📍
📽️ Videos
Plastic Roadways BUSTED! – YouTube
There is a lot of future in plastic and solar roads. See this video to see how amazing this technology really is ...
Old New York 2-color traffic signal sequence
From Youtube: "When I was a kid in the 70's, there were still a bunch of 2-color signals around New York city, and this is how they changed indications. I was fascinated by these...especially since we didn't have them in Jersey."
Crouse Hinds PCE-3000 E/M Traffic Light Controller Test. – YouTube.
This is a good demonstration on how traffic lights work, at least those controlled by mechanical cams. It used to be all kinds of devices were controlled by cams like these, but these cam mechanisms have become mostly replaced by integrated circuit controllers hooked up to mechanical relays or transistors.
