Kaliningrad – Chernyakhovsk–Nesterov to the Lithuania–Russia border (on to Vilnius, Minsk, route M1 "Belarus") It is a part of the branches of the trans-European transport corridors No. 1-A "Riga–Kaliningrad–Gdansk" and No. 9-D "Kiev–Minsk–Vilnius–Kaliningrad", and More @Wikipedia
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