4 , ▁the ▁Duch y ▁of ▁Schles wig ▁was ▁an nex ed ▁by ▁Pr uss ia ▁and ▁the ▁n ort he astern ▁section ▁of ▁the ▁line ▁from ▁Hus um ▁to ▁Fl ens burg ▁was ▁di vert ed ▁to ▁run ▁from ▁S oll br ück ▁( near ▁O hr sted t ) ▁to ▁J ü bek , ▁rather ▁than ▁to ▁Eg ge bek . ▁This ▁line ▁was ▁opened ▁on ▁ 2 9 ▁December ▁ 1 8 6 9 ▁and ▁created ▁a ▁route ▁between ▁Hus um ▁and ▁Ne um ün ster , ▁which ▁had ▁the ▁advantage ▁of ▁running ▁via ▁Schles wig ▁and ▁maxim ised ▁the ▁use ▁of ▁the ▁Ne um ün ster – Fl ens burg ▁line . ▁The ▁old ▁route ▁from ▁O hr sted t ▁to ▁O w sch lag ▁was ▁closed ▁at ▁the ▁same ▁time . ▁ ▁J ü bek – R ends burg ▁ ▁This ▁shares ▁the ▁middle ▁part ▁of ▁the ▁Ne um ün ster – Fl ens burg ▁line . ▁ ▁R ends burg – K iel ▁▁▁ ▁This ▁section ▁was ▁opened ▁on ▁ 1 5 ▁October ▁ 1 9 0 4 ▁by ▁the ▁Pr uss ian ▁State ▁Rail ways . ▁Pass enger ▁services ▁were ▁mostly ▁provided ▁by ▁local ▁trains . ▁Al ready ▁in ▁the ▁late ▁ 1 9 2 0 s , ▁some ▁through ▁trains ▁ran ▁to ▁Hus um , ▁some ▁of ▁which ▁made ▁a ▁few ▁stops ▁only . ▁Later , ▁three ▁to ▁four ▁pairs ▁of ▁fast ▁trains ▁regularly ▁ran ▁on ▁the ▁route , ▁including ▁a ▁pair ▁of ▁Hus um