Section between junction with Savanorių prospektas (part of A1 highway) in Vilnius and Trakai is planned to be refurbished to dual carriageway.

Section between A4 junction and Trakai is planned to be controlled-access.

Short section between Birštonas and Prienai is converted to dual carriageway.

Turbo roundabout was implemented near Birštonas.

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