▁are ▁p aved ▁with ▁typical ▁t arm ac , ▁which ▁is ▁a ▁mixture ▁of ▁fine ▁stone ▁ch ips ▁and ▁tar ; ▁however , ▁some ▁express ways ▁are ▁p aved ▁with ▁concrete ▁such ▁as ▁North – S outh ▁Express way ▁Northern ▁Route ▁( from ▁B uk it ▁Lan jan ▁Inter change , ▁Sel ang or ▁to ▁T ap ah ▁inter change , ▁Per ak ), ▁New ▁K lang ▁Valley ▁Express way , ▁North – S outh ▁Express way ▁Southern ▁Route ▁( from ▁A yer ▁Ker oh ▁inter change , ▁Mel aka ▁to ▁Tang k ak ▁inter change , ▁Joh or ), ▁S MA RT ▁T unnel ▁and ▁Sk ud ai – P ont ian ▁Highway ▁( from ▁Univers iti ▁T ek n olog i ▁Malays ia ▁inter change ▁to ▁T aman ▁Sri ▁Pul ai ▁j unction ). ▁Meanwhile , ▁at ▁Federal ▁Highway ▁linking ▁K lang ▁to ▁K ual a ▁L ump ur , ▁the ▁section ▁of ▁the ▁express way ▁from ▁Sub ang ▁J aya ▁to ▁K ota ▁Dar ul ▁E hs an ▁near ▁Pet aling ▁J aya ▁is ▁p aved ▁with ▁as ph alt . ▁ ▁Express way ▁monitoring ▁and ▁maintenance ▁ ▁Mon itor ing ▁Since ▁ 1 9 8 6 , ▁Malays ian ▁express ways ▁have ▁been ▁built ▁by ▁private ▁companies ▁under ▁the ▁super vision ▁of ▁the ▁government ▁highway ▁authority , ▁L emb aga ▁Leb uh ray a ▁Malays ia ▁( Mal ays ian ▁Highway ▁Author ity ). ▁Every ▁private ▁con cess ion ▁company , ▁such ▁as ▁PL US ▁Express ways , ▁A