. ▁Aw ang ▁Hass an . ▁ ▁Pen ang ▁Bridge ▁W iden ing ▁Project ▁When ▁the ▁bridge ▁was ▁initially ▁constructed , ▁the ▁central ▁span ▁had ▁six ▁lan es , ▁while ▁the ▁rest ▁of ▁the ▁bridge ▁had ▁four ▁lan es . ▁The ▁project ▁to ▁w iden ▁the ▁entire ▁bridge ▁to ▁six ▁lan es ▁began ▁on ▁January ▁ 2 0 0 8 ▁and ▁was ▁completed ▁in ▁late ▁ 2 0 0 9 . ▁ ▁Fe atures ▁ ▁Pen ang ▁Bridge ▁has ▁an ▁overall ▁length ▁of ▁: ▁ ▁above ▁water , ▁ ▁on ▁Pen ang ▁Island ▁and ▁ ▁in ▁Pra i . ▁The ▁ 2 2 5 ▁m ▁main ▁span ▁is ▁ 3 3 ▁m ▁above ▁water , ▁held ▁up ▁by ▁four ▁ 1 0 1 . 5 ▁m ▁to wers . ▁The ▁carriage way ▁has ▁ 3 ▁lan es ▁in ▁each ▁direction ▁and ▁a ▁speed ▁limit ▁of ▁ 8 0   km / h . ▁ ▁The ▁bridge ▁has ▁an ▁emer gency ▁lay by ▁equ ipped ▁with ▁S OS ▁phone . ▁Tra ffic ▁C CT V ▁and ▁Variable ▁Message ▁Sign ▁( V MS ) ▁are ▁installed ▁at ▁all ▁locations ▁along ▁the ▁bridge . ▁The ▁bridge ▁car ries ▁a ▁Ten aga ▁Nas ional ▁ 1 3 2 k V ▁power ▁cable . ▁ ▁T oll s ▁Since ▁ 1 9 8 5 , ▁the ▁Pen ang ▁Bridge ▁has ▁been ▁a ▁to l led ▁bridge . ▁Fe es ▁are ▁charged ▁one ▁way , ▁when ▁entering ▁the ▁bridge ▁from ▁the ▁main land ▁and ▁trav elling ▁towards ▁Pen ang