HOW TO
A turn feature class may be used to model the restriction of certain types of turns. In some cases there may be intersections or junctions where a U-turn is not allowed. A turn feature class containing U-turn features can be used to restrict turns made at these locations. It is important to note that simply having a turn feature class enabled as a restriction will not guarantee that U-turn restrictions will be honored. There are other settings such as curb approach and side of edge that are important.
This article explains how to correctly model U-turn restrictions given an already created turn feature class containing turn and U-turn features.
Creating a turn feature that represents a U-turn
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