They exist in some parts of New England and in a few shopping centers in Texas. You're right about them confusing motorists though. New Englanders generally und

They exist in some parts of New England and in a few shopping centers in Texas. You're right about them confusing motorists though. New Englanders generally understand what to do, but I've seen many Texans just stop in the middle of the roundabout for no good reason. Maybe if more were built behavior would change.