LOL!
Some people seem to have trouble understanding speed limit signs.
Alaska Wolf, I hope you dont drive.
No, some people ignore them just as some ignore other signs like no parking, no trespassing, keep out, do not litter, etc.
I hope you dont drive.
I've driven hundreds of thousands of miles in everything from 40 foot RVs to muscle cars, commercial trucks to Corvettes and Jaguars, in Canada and the US.