It's all about the money. Locals put up red light cameras and told everyone it was for "safety". Even though these intersections were no more hazardous than any other. $200 to run a red light.
On the interstate a stretch of 5 miles is covered by speed radar of Highway Patrol, Sherriff's Deputy, and local cops all at the same time trying to out earn the others .
$$ The Givers should set the limits,
the Takers never will. $$