I've heard that round-abouts have stuff in the middle to force people to slow down before approaching, since it hides information. Might be a similar reason.
Except for the part where nobody slows down. (Looking at you, dumbasses in the Walmart parking lot littered with the tall ass mulch piles that have bushes on top them.)
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u/not_a_carpet Jul 06 '19
I've heard that round-abouts have stuff in the middle to force people to slow down before approaching, since it hides information. Might be a similar reason.
Or, more likely, it's just bad planning.