Bundesautobahn 8 (translates from German as Federal Motorway 8, short form Autobahn 8, abbreviated as BAB 8 or A 8) is an autobahn in southern Germany that runs 497 km (309 mi) from the Luxembourg A13 motorway at Schengen via Neunkirchen, Pirmasens, Karlsruhe, Stuttgart, Ulm, Augsburg and Munich to the Austrian West Autobahn near Salzburg.