. ▁A ▁connection ▁from ▁the ▁Hamburg ▁line ▁at ▁Sp and au ▁to ▁the ▁Berlin ▁Stadt bahn ▁had ▁already ▁opened ▁in ▁ 1 8 8 2 . ▁ ▁High - speed ▁operations ▁and ▁records ▁On ▁ 2 1 ▁June ▁ 1 9 3 1 , ▁the ▁Sch ienen ze ppel in ▁( R ail ▁Ze ppel in ) ▁experimental ▁rail ▁car ▁ran ▁over ▁the ▁ ▁route ▁between ▁Hamburg - Ber ged orf ▁and ▁Lehr ter ▁Bahnhof ▁in ▁Berlin ▁in ▁ 9 8 ▁minutes . ▁Between ▁Kar st ä dt ▁and ▁W itten ber ge ▁the ▁train ▁reached ▁a ▁top ▁speed ▁of ▁, ▁ ▁which ▁was ▁a ▁world ▁record ▁for ▁rail ▁vehicles ▁that ▁was ▁not ▁broken ▁until ▁ 1 9 5 5 . ▁In ▁July ▁ 1 9 3 4 , ▁the ▁Sch ienen ze ppel in ▁ran ▁for ▁the ▁last ▁time ▁on ▁the ▁line . ▁It ▁had ▁more ▁speed ▁than ▁was ▁required ▁at ▁the ▁time ▁and ▁its ▁prop eller ▁prop ulsion ▁created ▁oper ational ▁problems . ▁ ▁On ▁ 1 1 ▁May ▁ 1 9 3 6 , ▁high - speed ▁steam ▁locomot ive ▁ 0 5 ▁ 0 0 2 , ▁ha uling ▁three ▁express ▁carri ages ▁and ▁a ▁test ▁van , ▁reached ▁ 2 0 0 . 4   km / h ▁at ▁the ▁ 5 2   km ▁mark ▁between ▁V iet zn itz ▁and ▁Paul in ena ue , ▁a ▁world ▁record ▁for ▁steam ▁locomot ives . ▁▁ ▁On ▁ 1 5 ▁May ▁ 1 9 3 3 , ▁Germany