[MiroF]

Just get cameras. I don't know why this isn't done anywhere else, but in DC, cops won't pull you over for a moving violation (and I'm glad they don't) but the cameras will get you if you're running red lights or not yielding on right on red.

[awscherb]

I suspect we don't have those because it's politically unpopular. The disregard for traffic laws is so deeply ingrained and I also believe single occupancy vehicle is still the main mode of commute here. Also, the comments "what about the jaywalkers", "what about those pesky cyclists always blowing red lights", etc. come up ad nauseam.