[justanotherbody]

They're supposed to be tuned but often aren't, as many motorcyclists can attest to

Further the muni often lacks resources to fix this in a timely manner after reporting. In some cases you see states effectively throw up their hands and say "if it doesn't detect you can just run the red"

https://www.advrider.com/f/threads/dead-red-traffic-signal-l...