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

A traffic light hangs from a pole as shown in the figure. The uniform aluminum pole AB is 7.10 m long and has a mass of 12.5 kg . The mass of

Citizens To Abolish Red Light Cameras - Citizens To Abolish Red Light Cameras

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

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

How to Avoid & Address Traffic Signal Knockdowns

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

What are those rectulangar black boxes on top of traffic lights in the UK? - Quora

The Little Things: Stripes on stop sign poles in Seattle – BikePortland

Precariously Leaning Utility Pole and Broken Traffic Light…