Bundesstraße
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Bundesstraßen are German and Austrian federal highways. The main distinguishing characteristic between German Bundesstraßen and the world-famous Autobahnen (motorways) is that there is a general 100 km/h (62 mph) speed limit on federal highways, as opposed to the "recommended" limit of 130 km/h (83 mph) in unmarked sections of the motorways. Once the federal highway is a dual carriageway, the "recommended" speed limit is again 130 km/h (83 mph). The same applies when the Bundesstraße has only single lanes, but both lanes are physically separated by a central reservation. Many sections of the federal highways have only two, undivided lanes with no hard shoulder (pull-out area).
German federal highways are labelled with rectangular yellow signs with black numerals, as opposed to the motorways' white-on-blue markers.