▁brid ges ▁Inter state ▁ 2 8 5 ▁( the ▁Per imeter ) ▁on ▁the ▁air port ' s ▁south ▁side , ▁making ▁H arts field – Jack son ▁the ▁nation ' s ▁only ▁civil ▁air port ▁to ▁have ▁a ▁run way ▁above ▁an ▁inter state ▁( although ▁Run way ▁ 1 7 R / 3 5 L ▁at ▁St ap leton ▁International ▁Airport ▁in ▁Den ver , ▁Colorado ▁crossed ▁Inter state ▁ 7 0 ▁until ▁that ▁air port ▁closed ▁in ▁ 1 9 9 5 ). ▁The ▁massive ▁project , ▁which ▁involved ▁putting ▁fill ▁d irt ▁eleven ▁stories ▁high ▁in ▁some ▁places , ▁destroyed ▁some ▁surrounding ▁neighborhood s ▁and ▁dram atically ▁changed ▁the ▁scen ery ▁of ▁Fl at ▁Rock ▁C emetery ▁and ▁Hart ▁C emetery , ▁both ▁of ▁which ▁are ▁on ▁the ▁air port ▁property . ▁It ▁was ▁added ▁to ▁help ▁ease ▁traffic ▁problems ▁caused ▁by ▁landing ▁small - ▁and ▁mid - size ▁aircraft ▁on ▁the ▁longer ▁run ways ▁used ▁by ▁larger ▁plan es ▁such ▁as ▁the ▁Bo eing ▁ 7 7 7 , ▁which ▁need ▁longer ▁run ways ▁than ▁the ▁smaller ▁plan es . ▁With ▁the ▁fifth ▁run way , ▁H arts field – Jack son ▁is ▁one ▁of ▁only ▁a ▁few ▁air ports ▁that ▁can ▁perform ▁triple ▁simultane ous ▁land ings . ▁The ▁fifth ▁run way ▁is ▁expected ▁to ▁increase ▁the ▁capacity ▁for ▁land ings ▁and ▁take - offs ▁by ▁ 4 0 %, ▁from ▁an ▁average ▁of ▁ 1 8 4 ▁fl ights ▁per ▁hour ▁to ▁ 2 3