▁Plan ▁of ▁ 1 9 9 2 . ▁It ▁was ▁planned ▁to ▁rem odel ▁the ▁line ▁with ▁continuous ▁double ▁track , ▁elect r ification ▁and ▁the ▁installation ▁of ▁modern ▁automatic ▁train ▁protection ▁to ▁allow ▁continuous ▁operation ▁at ▁ 1 6 0   km / h . ▁The ▁upgrade ▁started ▁in ▁ 1 9 9 1 ▁and ▁was ▁planned ▁to ▁be ▁completed ▁by ▁ 1 9 9 7 . ▁ ▁On ▁ 1 4 ▁July ▁ 1 9 9 2 ▁the ▁first ▁p ile ▁was ▁driven ▁for ▁the ▁elect r ification ▁of ▁the ▁section ▁of ▁line ▁between ▁Ludwig sl ust ▁and ▁Bü chen . ▁The ▁route ▁between ▁Fal ken see ▁and ▁Al bre cht sh of ▁was ▁closed ▁in ▁ 1 9 9 3 ▁to ▁allow ▁the ▁ ▁complete ▁renov ation ▁between ▁Fal ken see ▁and ▁Sp and au . ▁The ▁old , ▁ground - level ▁Al bre cht sh of ▁station ▁was ▁demol ished ▁and ▁re built ▁about ▁ 8 0 ▁metres ▁away ▁on ▁an ▁emb ank ment . ▁On ▁ 2 8 ▁May ▁ 1 9 9 5 , ▁the ▁line ▁was ▁restored ▁to ▁operation . ▁A ▁new ▁pair ▁of ▁tracks ▁was ▁built ▁south ▁of ▁the ▁old ▁single - track ▁line ▁between ▁Fal ken see ▁and ▁Nau en . ▁The ▁tracks ▁have ▁been ▁removed ▁from ▁the ▁old ▁northern ▁route ▁and ▁its ▁path ▁has ▁been ▁preserved ▁for ▁the ▁construction ▁of ▁a ▁Berlin – F al ken see – N au en ▁S - B ahn ▁line . ▁ ▁In ▁May ▁ 1 9