In Arkansas, shared center lanes can be used:

A shared center turn lane is marked on each side with a solid yellow line next to a dashed yellow line. Shared center lanes are reserved for drivers making left turns and can be used by vehicles traveling in either direction. In Arkansas, it is permissible for a vehicle making a left turn from a street or driveway to utilize a center lane as part of the maneuver to gain access to or merge into traffic lanes. It is not permissible to use the center lane as an acceleration lane.

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