. ▁A ▁treat y ▁was ▁contract ed ▁between ▁Sax ony ▁and ▁Pr uss ia ▁on ▁ 7 ▁December ▁ 1 8 7 1 , ▁which ▁reg ulated ▁the ▁carrying ▁out ▁of ▁construction ▁on ▁the ▁Lü bben au – Cal au – S en ften berg – K am enz ▁route . ▁The ▁flat ▁country ▁north ▁of ▁Kam enz , ▁which ▁had ▁few ▁rivers , ▁was ▁fav ou rable ▁for ▁rapid ▁progress ▁and ▁the ▁works ▁proceeded ▁without ▁difficulty . ▁The ▁Pr uss ian ▁border ▁was ▁reached ▁north ▁of ▁H os ena ▁in ▁ 1 8 7 2 . ▁ ▁A ▁connecting ▁line ▁of ▁the ▁C ott bus - G ro ßen h ain ▁Railway ▁Company ▁running ▁east - west , ▁the ▁later ▁Lower ▁S iles ian ▁main line , ▁was ▁put ▁into ▁operation ▁on ▁ 1 ▁June ▁ 1 8 7 4 ▁between ▁K ohl furt ▁and ▁nearby ▁Ru h land . ▁ ▁The ▁H os ena ▁railway ▁j unction ▁became ▁increasing ly ▁important ▁at ▁the ▁beginning ▁of ▁the ▁ 2 0 th ▁century ▁and ▁in ▁the ▁ 1 9 4 0 s . ▁The ▁res urg ent ▁l ign ite ▁and ▁bas alt ▁min ing ▁in ▁the ▁area ▁led ▁to ▁an ▁ever ▁increasing ▁volume ▁of ▁traffic . ▁With ▁the ▁found ing ▁of ▁the ▁German ▁Democratic ▁Republic ▁( G DR ), ▁the ▁population ▁in ▁the ▁area ▁double d ▁on ▁average . ▁It ▁is ▁about ▁ 1 5 ▁kilometres ▁away ▁from ▁Ho y ers wer da , ▁which ▁had ▁about ▁ 7 0 , 0