If you want a prime example of how to NOT use a roundabout, this is it:
This roundabout was installed in northeastern Kentucky at an intersection of two highways known for its high rate of accidents.
If you don't know, this is how a roundabout is supposed to work:
A month ago, authorities announced they'd be installing said roundabout, much to the chagrin of locals who noted the number of drivers with large trailers that travel that route:
To be fair to the locals, their concerns about large trailers were proved right rather quickly when a semi got stuck in the dang intersection last week: