- connect ▁with ▁the ▁Ta con ic ▁State ▁Park way . ▁ ▁An ▁extension ▁from ▁the ▁southern ▁termin us ▁in ▁the ▁Bron x ▁into ▁Sound view ▁Park ▁was ▁proposed ▁until ▁the ▁ 1 9 7 0 s . ▁ ▁West chester ▁design ation ▁The ▁southern most ▁portion ▁of ▁the ▁park way ▁in ▁West chester , ▁south ▁of ▁the ▁Sp rain , ▁is ▁internally ▁designated ▁as ▁NY   9 0 7 G , ▁an ▁unsigned ▁reference ▁route , ▁in ▁apparent ▁viol ation ▁of ▁the ▁number ing ▁standard . ▁Ord in arily , ▁the ▁second ▁digit ▁should ▁be ▁the ▁region . ▁New ▁York ▁City ▁and ▁Long ▁Island , ▁regions ▁ 1 0 ▁and ▁ 1 1 , ▁share ▁ 0 ; ▁West chester ▁is ▁region ▁ 8 ▁( the ▁H utch inson ▁River ▁Park way ▁also ▁shares ▁this ▁odd ity ). ▁The ▁section ▁south ▁of ▁here ▁is ▁marked ▁only ▁with ▁reference ▁markers , ▁and ▁the ▁section ▁north ▁only ▁with ▁county ▁mile posts . ▁This ▁middle ▁section ▁has ▁county ▁mile posts ▁in ▁the ▁middle , ▁and ▁reference ▁markers ▁with ▁state ▁mile posts ▁( count ing ▁from ▁the ▁southern ▁termin us ▁in ▁the ▁Bron x , ▁not ▁the ▁city ▁line ) ▁alongside . ▁However , ▁Reference ▁Route   9 0 7 G ▁is ▁no ▁longer ▁listed ▁in ▁the ▁NY SD OT ▁traffic ▁counts ▁and ▁the ▁entire ty ▁of ▁the ▁park way ▁in ▁the ▁county ▁is ▁considered ▁a ▁county ▁route ▁by ▁West chester ▁County . ▁ ▁The ▁park way ▁was ▁documented ▁by ▁the ▁Historic ▁American ▁Engineering ▁Record ▁in