▁station ▁of ▁the ▁Lü beck – H amb urg ▁line ▁was ▁opened ▁in ▁ 1 8 6 5 , ▁ ▁east ▁of ▁the ▁Berliner ▁station . ▁ ▁In ▁ 1 8 6 6 ▁the ▁Hamburg - Al ton a ▁link ▁line ▁was ▁opened ▁to ▁Kloster th or ▁station , ▁about ▁ ▁north ▁of ▁the ▁Berliner ▁station . ▁A ▁line ▁was ▁later ▁built ▁from ▁the ▁link ▁line ▁to ▁connect ▁with ▁the ▁line ▁to ▁Berlin ▁at ▁the ▁approach ▁to ▁the ▁Berliner ▁Bahnhof . ▁ ▁The ▁Berlin – H amb urg ▁Railway ▁Company ▁obtained ▁a ▁con cess ion ▁to ▁build ▁a ▁▁ ▁branch ▁line ▁from ▁Bü chen ▁to ▁Lau enburg ▁on ▁the ▁El be . ▁This ▁branch ▁line ▁was ▁opened ▁on ▁ 1 5 ▁October ▁ 1 8 5 1 . ▁It ▁was ▁extended ▁to ▁Lü ne burg ▁by ▁the ▁Royal ▁Han over ian ▁State ▁Rail ways ▁in ▁ 1 8 6 3 ▁and ▁ 1 8 6 4 , ▁which ▁used ▁the ▁Lau enburg – H ohn st orf ▁train ▁fer ry ▁to ▁cross ▁the ▁El be ▁for ▁ 1 4 ▁years ▁from ▁ 1 5 ▁March ▁ 1 8 6 4 . ▁ ▁The ▁very ▁prof itable ▁line ▁was ▁acquired ▁by ▁the ▁Pr uss ian ▁State ▁Rail ways ▁on ▁ 1 ▁January ▁ 1 8 8 4 . ▁This ▁allowed ▁the ▁tracks ▁and ▁railway ▁facilities ▁between ▁Sp and au ▁and ▁the ▁Hamb urger ▁Bahnhof ▁in ▁Berlin ▁to ▁be ▁merged ▁bit ▁by ▁bit ▁with ▁the ▁Berlin – Le hrte ▁railway ▁to ▁the ▁Lehr ter ▁Bahnhof