'Photo radar for noise': Electronic displays, cameras being tested in eight spots

It’s not a crackdown yet, but city officials set up new vehicle noise monitoring stations around Edmonton Wednesday that could eventually lead to automated ticketing similar to photo radar.
Four stations with cameras triggered by loud noise have already been set up, and motorists will soon see electronic signs telling people with modified mufflers exactly how loud they are.
Sometimes referred to as photo radar for noise, the equipment takes photos or videos, which city officials hope will