Probably, but the title of the article is "Is Every Speed Limit Too Low?" People seem have a bias towards thinking about speed limits in terms of interstate tr

Probably, but the title of the article is "Is Every Speed Limit Too Low?" People seem have a bias towards thinking about speed limits in terms of interstate travel speeds, which frequently have been raised to 70–80 mph anyway. Perhaps this is because most speeding enforcement is on interstates and there is relatively little enforcement of speed limits on surface streets unless they are very egregious.