2 0 9 ▁in ▁Marsh alls ▁Creek , ▁with ▁the ▁section ▁between ▁Min is ink ▁Hills ▁and ▁Marsh alls ▁Creek ▁becoming ▁a ▁real igned ▁US   2 0 9 ▁while ▁the ▁former ▁alignment ▁south ▁of ▁there ▁is ▁now ▁un number ed ▁River ▁Road ▁and ▁G ap ▁View ▁Drive . ▁ ▁Marsh alls ▁Creek ▁B yp ass ▁▁ ▁A ▁by pass ▁of ▁the ▁southern ▁termin us ▁of ▁PA   4 0 2 ▁was ▁proposed ▁in ▁ 1 9 9 1 ▁to ▁d eter ▁traffic ▁off ▁the ▁con g ested ▁intersection ▁with ▁US   2 0 9 ▁and ▁US   2 0 9 ▁Bus . ▁in ▁the ▁village ▁of ▁Marsh alls ▁Creek . ▁The ▁same ▁year , ▁the ▁Pennsylvania ▁Department ▁of ▁Transport ation ▁( P enn D OT ) ▁got ▁involved ▁in ▁the ▁feas ibility ▁study , ▁and ▁pre lim inary ▁engineering ▁work ▁was ▁finished ▁in ▁ 1 9 9 5 . ▁The ▁project , ▁not orious ▁for ▁del ays , ▁first ▁hit ▁a ▁bar rier ▁in ▁ 1 9 9 7 , ▁when ▁a ▁pair ▁of ▁species ▁of ▁end anger ed ▁fish ▁( B rid le ▁sh in ers ▁and ▁Iron - color ed ▁sh in ers ) ▁were ▁found ▁in ▁Marsh alls ▁Creek . ▁In ▁ 2 0 0 0 , ▁after ▁a ▁Final ▁Environment al ▁Imp act ▁Stat ement ▁had ▁been ▁completed , ▁the ▁route ▁was ▁approved ▁by ▁the ▁Federal ▁Highway ▁Administration . ▁In ▁ 2 0 0 4 , ▁a ▁delay ▁was ▁created ▁again , ▁when ▁py rite ▁was ▁found ▁in