The Bundesstraße 85 (abbr. B 85) runs southeast through Thuringia and Bavaria, from Kyffhäuser to Passau, near the Austrian border. B85 is approximately 500 kilometers (310 mi) long. Cities and towns along B85: Berga (Kyffhäuser) – Bad Frankenhausen – Kölleda – Weimar – Rudolstadt – Saalfeld/Saale – Kronach – Kulmbach – Bayreuth – Pegnitz – Auerbach in der Oberpfalz – Sulzbach-Rosenberg – Amberg – Schwandorf – Roding – Cham – Viechtach – Regen – Schönberg (Lower Bavaria) – Passau B85 is the successor to Reichsstraße R 85, which followed a similar route: Berga (Kyffhäuser) – Bayreuth – Vilseck – Amberg – Passau. From Wikipedia