Traffic regulations - Topics

What evidence counts when the breathalyzer reading is challenged in court? What does a red light camera ticket cost in different cities? Does the license demerit system actually change driving habits or just punish repeat offenders? How do odd-even plate restrictions get enforced in the cities that run them? Can you register a car at an address you do not live at to dodge emissions rules? Why do towing and impound fees vary so much between neighboring municipalities? How is a speed limit set on a road that has never recorded a crash? Is honking at a slow driver in a quiet zone a violation? Do low-emission zone stickers apply to foreign-plated cars driving through? Should a school zone keep its 20 mph limit all day or only at bell times? What happens to your registration when the mandatory insurance lapses? How do cities decide where the next speed camera goes? Does a license suspension in one state follow you to another? Why does the annual roadworthiness inspection fail on a burned-out bulb so often? Why does the same speeding ticket cost triple inside a work zone? How long can you drive on a temporary permit before the registration lapses? Is a camera-issued fine valid if the warning sign was hidden behind a tree? Do traffic laws apply inside private car parks and shopping center lots? What paperwork does a plate transfer need when you sell a car privately? Do rideshare drivers need a commercial plate and a separate permit?