http://www.reddit.com/user/Phil0sophic
Phil0sophic7 karma2020-09-09 03:09:24 UTC
I have seen a flat horizontal piece of aluminum above traffic signals, no wires just mounted above them. What purpose do they serve?
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Phil0sophic5 karma2020-09-09 03:39:26 UTC
I'll take a picture during daylight
Phil0sophic7 karma
I have seen a flat horizontal piece of aluminum above traffic signals, no wires just mounted above them. What purpose do they serve?
View HistoryShare Link