B2) is a German federal highway, running some 1000 kilometres[citation needed] from the Polish border near Gartz to the Austrian border near Garmisch-Partenkirchen.

From north to south; it passes through major cities such as Berlin, Potsdam, Leipzig, Gera, Bayreuth, Nuremberg, Augsburg, and Munich.

It corresponds to a long portion of the Via Imperii of the Holy Roman Empire which continued all the way to Venice via the Brenner Pass.

In Berlin B2 forms among others the following squares and streets Alexanderplatz, Karl-Liebknecht-Straße, Unter den Linden, Straße des 17.

Juni, Großer Stern, Kaiserdamm, Theodor-Heuss-Platz, and Heerstraße.