A21 | ||||
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Bundesautobahn 21 | ||||
Route information | ||||
Length: | 50 km (30 mi) | |||
Location | ||||
States: | Schleswig-Holstein, Lower Saxony (planned) | |||
Highway system | ||||
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Bundesautobahn 21 (translates from German as Federal Motorway 21, short form Autobahn 21, abbreviated as BAB 21 or A 21) is an autobahn in Germany.
It runs from an interchange with the A 1 at Bargteheide to Wankendorf, halfway between Bad Segeberg and Kiel. A northbound extension to Kiel and a southbound extension connecting to the A 39 are being planned. The A 21 will cross the extension of the A 20 near Bad Segeberg.