Traffic island

[me]

hello,
i met two words that i find difficult to understand..(traffic islands)..is there anything called like that or is it just feguritively used?
thanks

[Mister Micawber]

.
A traffic island is quite real-- it is a space in the midst of the roadway (often at an intersection) which helps to direct or control traffic or offers a refuge or waiting place for pedestrians, because you can't drive on it: it is often raised and landscaped.
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Native English teacher at Mister Micawber's