▁the ▁growth ▁of ▁resident ial ▁town ships ▁like ▁Bay an ▁Bar u ▁and ▁Se ber ang ▁J aya . ▁These ▁necess itated ▁the ▁construction ▁of ▁more ▁brid ges ▁and ▁express ways ▁in ▁the ▁state . ▁ ▁Since ▁then , ▁a ▁number ▁of ▁other ▁express way ▁projects ▁within ▁Pen ang , ▁such ▁as ▁the ▁But ter worth ▁Out er ▁Ring ▁Road ▁( B OR R ), ▁the ▁But ter worth – Se ber ang ▁J aya ▁T oll ▁Road ▁and ▁the ▁Tun ▁Dr ▁Lim ▁Ch ong ▁Eu ▁Express way ▁were ▁completed . ▁On ▁dens ely ▁populated ▁Pen ang ▁Island , ▁the ▁Gel ug or ▁Highway ▁and ▁the ▁Pen ang ▁Middle ▁Ring ▁Road ▁were ▁also ▁created ▁to ▁alle vi ate ▁traffic ▁con g estion . ▁ ▁The . But ter worth – K ul im ▁Express way ▁( B KE ) ▁is ▁a ▁to l led ▁express way ▁that ▁connect s ▁But ter worth ▁with ▁the ▁town ▁of ▁K ul im ▁( and ▁K ul im ▁Hi - tech ▁Park ) ▁in ▁neighbour ing ▁K ed ah . ▁This ▁inter state ▁highway ▁was ▁built ▁as ▁industrial isation ▁began ▁to ▁spread ▁out ▁from ▁Se ber ang ▁P era i ▁towards ▁southern ▁K ed ah ▁in ▁the ▁ 1 9 8 0 s , ▁forming ▁what ▁is ▁now ▁Gre ater ▁Pen ang . ▁ ▁The ▁Second ▁Pen ang ▁Bridge , ▁officially ▁named ▁the ▁Sultan ▁Abd ul ▁Hal im ▁Mu ad z am ▁Shah ▁Bridge , ▁was ▁opened ▁on ▁ 1 ▁March ▁ 2 0 1 4 ▁by