Letter of the Day: Countdown timers should be installed

If the red light cameras are not a cash grab, why are there no countdown indicators at these controlled intersections? It would greatly assist in providing confidence about whether or not it is safe to enter the intersection without fear of rear ending the over cautious person ahead, or being rear ended by the person behind.
I suspect the private operator of this technology is not primarily motivated by safety. “Mere rear end collisions” can also cause serious trauma. Saskatoon is ca