Expressway Potsdam-Schönefeld
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The Expressway Potsdam-Schönefeld is the overarching term for a number of transport projects to create a single four-lane, primarily grade-separated highway from Potsdam to Schönefeld south of Berlin, Germany.
The expressway plans were based on older East German plans. A route south of Berlin was strategically important, allowing traffic to run from Potsdam via Schönefeld to East Berlin without crossing West Berlin, thus allowing the construction of the Berlin Wall. The rail counterpart to this road link is the Berlin outer ring.
With the decision to expand Berlin Schönefeld Airport and turn it into Berlin-Brandenburg International Airport, plans to create the Potsdam-Schönefeld highway link were revived. The initial timetable for opening of the new airport in 2010 matched that of the four-lane expressway. After opening the last bypass sections at Güterfelde and Mahlow in late 2014, the road link was completed.