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Top Terms > Facilities > Transportation, hydraulic and utility facilities > Highway facilities > Roads > Parts of roads > Interchanges and intersections > Intersections > Types of intersections > Traffic circles

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Traffic circles (Pmrcpjfcm)

Scope Note
Includes pre-1990 British roundabouts
Older-style circular intersections that do not have one or more of the characteristics of a roundabout. They often have large diameters, often in excess of 100 m. [300 ft.], allowing high travel speeds on the circulatory roadway. (Source: AASHTO Glossary)
Use For
Circular intersections
Gyratory intersections
Rotary intersections
Broader Term
Types of intersections (Pmrcpjfc)
Narrower Terms
Roundabouts (Pmrcpjfcmr)
Related Terms (Hierarchical)
At grade intersections (Pmrcpjfcb)
Channelized intersections (Pmrcpjfcd)
Four leg intersections (Pmrcpjfcf)
Offset intersections (Pmrcpjfcg)
Signalized intersections (Pmrcpjfch)
T intersections (Pmrcpjfcj)
Three leg intersections (Pmrcpjfcp)
Unchannelized intersections (Pmrcpjfcr)
Unsignalized intersections (Pmrcpjfct)
Y intersections (Pmrcpjfcv)