Bundesstraße 3

B 3
Bundesstraße 3
Route information
Length755 km (469 mi)
Location
CountryGermany
StatesHamburg, Lower Saxony, Hesse, Baden-Württemberg
Highway system
  • Roads in Germany

The Bundesstraße 3 (abbr. B3) is one of the longest federal highways in Germany. It begins in Buxtehude and continues through Bergen, Celle, Hanover, Alfeld, Einbeck, Göttingen, Kassel, Marburg, Frankfurt, Darmstadt, Heidelberg, Karlsruhe and Freiburg in southwestern Germany and ends at Weil-Otterbach on the border with Switzerland. Between Darmstadt and Wiesloch it is referred to as Ferienstraße Bergstraße.