▁sharp ▁di ps ▁and ▁tw ists ▁that ▁pur port edly ▁provided ▁a ▁" roller ▁co aster - like " ▁effect ▁for ▁drivers . ▁ ▁Late ▁exit ▁modifications ▁During ▁the ▁ 1 9 6 0 s ▁and ▁since ▁then ▁an ▁entrance ▁and ▁exit ▁on ▁the ▁north bound ▁side ▁between ▁current ▁ex its   5 ▁and   6 ▁in ▁the ▁Bron x , ▁and ▁an ▁associated ▁U - turn ▁from ▁south bound ▁to ▁north bound , ▁formerly ▁open ▁to ▁general ▁traffic , ▁were ▁reserved ▁for ▁official ▁use ▁by ▁police ▁and ▁the ▁Park s ▁De pt . ▁which ▁maintain s ▁an ▁office ▁there . ▁This ▁was ▁around ▁the ▁time ▁other ▁U - turn s ▁were ▁being ▁elimin ated ▁from ▁various ▁park ways ▁in ▁New ▁York ▁City . ▁ ▁A ▁gas ▁station ▁in ▁the ▁wide ▁median ▁between ▁Bron x ▁ex its   7 ▁and   8 , ▁north ▁of ▁the ▁ped est rian ▁over pass ▁to ▁the ▁Botan ical ▁Garden , ▁was ▁closed ▁due ▁to ▁fire ▁in ▁the ▁early ▁ 1 9 8 0 s ▁and ▁has ▁since ▁been ▁raz ed ▁and ▁the ▁median ▁re land sc aped . ▁Of ▁a ▁pair ▁of ▁former ▁gas ▁stations ▁on ▁the ▁outer ▁marg ins ▁of ▁the ▁road way ▁in ▁West chester ▁near ▁C rest wood , ▁the ▁south bound ▁one ▁is ▁currently ▁being ▁used ▁as ▁a ▁West chester ▁County ▁Police ▁Sub - Station , ▁and ▁the ▁north bound ▁used ▁only ▁as ▁a ▁tour ist ▁information ▁stand . ▁ ▁The ▁inter change ▁with ▁the ▁Cross ▁County ▁Park way ▁did ▁not ▁provide