Type of interchange between highways and minor roads
Antalyaspor Interchange of Antalya. The underpass serve the transit traffic of city center to Konyaaltı, while the upper part Dumlupınar Bulvarı and roundabout are maintained by General Directorate of Highways as D-400 Highway.The western entryway into Linköping, Sweden (a branch off the backbone E4 highway) passes on a bridge above this roundabout, which connects a national road and a local road into a residential area with ramps leading up to the free-flowing road (note the green signage denoting that in these directions you are entering a motorway).
A roundabout interchange is a type of interchange between a controlled access highway, such as a motorway or freeway, and a minor road. The slip roads to and from the motorway carriageways converge at a single roundabout, which is grade-separated from the motorway lanes with bridges.
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