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Types of Roundabouts

There are two basic types of roundabouts (See Figure 1):

Conventional roundabout
A one-way circular roadway around a curbed central island for circulating traffic, usually with flared approaches to allow multiple vehicle entry.

Mini-roundabout
A one-way circular roadway around a flush or slightly raised central island of up to 13 feet in diameter, usually without flared entries.

 

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