What is the pole they strapped to the traffic light? I've seen

The Traffic Signal Knows You're There, by Carl Alviani, re:form

Crash in Southwest : r/Detroit

What's the purpose of the small lights under some traffic stop arms? Curious Texas investigates

Police in Greenwood 'inundated' with calls about black radar boxes

Motorists baffled by strange addition to traffic signs: 'What are they?

Here's Why Some NJ Traffic Lights Have 'Bells' on Them

City lights control - Light Pollution - Cloudy Nights

EGPD with the surveillance cameras on top of the cars🤔🧐 : r/Sacramento

what's up with those blue light at target and king soopers on 30th? : r/boulder

The Ultimate Guide To Modern Traffic Signal Pole Types