2 . ▁Thus ▁a ▁large ▁number ▁of ▁level ▁cross ings ▁were ▁elimin ated ▁and ▁replaced ▁by ▁ 5 6 ▁grade ▁separated ▁cross ings . ▁A ▁new ▁overhead ▁line ▁was ▁also ▁installed ▁as ▁well ▁as ▁the ▁German ▁Lin ien zug be e infl uss ung ▁train ▁protection ▁system ▁and ▁ 1 6 2 ▁sets ▁of ▁points ▁were ▁converted ▁or ▁replaced . ▁This ▁work ▁was ▁carried ▁out ▁largely ▁during ▁an ▁eleven - week ▁closure ▁of ▁the ▁line ▁in ▁the ▁late ▁summer ▁of ▁ 2 0 0 3 . ▁Even ▁W itten ber ge ▁station ▁was ▁extens ively ▁re built ▁to ▁allow ▁trains ▁to ▁pass ▁through ▁it ▁at ▁ 1 6 0   km / h . ▁The ▁upgrade ▁of ▁the ▁line ▁was ▁completed ▁for ▁the ▁December ▁ 2 0 0 4 ▁tim et able ▁change . ▁The ▁federal ▁government ▁ultimately ▁inv ested ▁around ▁€ 6 5 0 ▁million ▁in ▁this ▁second ▁stage . ▁ ▁Development ▁of ▁the ▁tim et able ▁and ▁service ▁pattern ▁after ▁ 2 0 0 4 ▁▁ ▁From ▁ 1 ▁March ▁ 2 0 0 5 ▁an ▁additional ▁late ▁evening ▁service ▁ran ▁from ▁Berlin ▁to ▁Hamburg . ▁The ▁I CE ▁train ▁left ▁Berlin ▁Z oo ▁station ▁at ▁ 1 1 : 0 0 ▁PM ▁and ▁reached ▁Hamburg ▁ ▁at ▁ 0 0 : 3 2 ▁AM . ▁This ▁additional ▁train ▁was ▁promised ▁by ▁Hart mut ▁Me hd orn , ▁the ▁First ▁Mayor ▁of ▁Hamburg , ▁Ole ▁von ▁Be ust , ▁on ▁the ▁inaug ural ▁run , ▁to ▁enable ▁citizens ▁of ▁Hamburg ▁to