The A16 highway is a highway in Lithuania (Magistralinis kelias). It connects Vilnius, Prienai and Marijampolė. The length of the road is 137.51 km.

A16
Vilnius-Marijampolė
Route information
Part of E28
Length	137.51 km (85.44 mi)
Major junctions
From	Vilnius
To	Marijampolė
Location
Country	Lithuania
Major cities	Birštonas, Prienai
Highway system
Transport in Lithuania

The road is part of European route E28.

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.