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　　為??(wei)增??(zeng)強(qiáng)??(qiang)長(zhǎng)??(chang)江??(jiang)干??(gan)線??(xian)過??(guo)江??(jiang)能??(neng)力??(li)??，這??(zhe)座??(zuo)大??(da)橋??(qiao)實(shí)??(shi)現(xiàn)??(xian)了??(le)“高?(gao)速??(su)公??(gong)路?(lu)、城?(cheng)際??(ji)鐵??(tie)路??(lu)、貨??(huo)運(yùn)??(yun)鐵??(tie)路??(lu)”合??(he)并??(bing)過??(guo)江??(jiang)??。?“公??(gong)鐵??(tie)合??(he)建??(jian)??，需??(xu)滿??(man)足??(zu)高??(gao)鐵??(tie)行??(xing)車??(che)的??(de)安??(an)全??(quan)與??(yu)舒??(shu)適??(shi)性??(xing)??，對(duì)??(dui)橋??(qiao)梁??(liang)豎??(shu)向??(xiang)剛??(gang)度??(du)、梁??(liang)端??(duan)縱??(zong)向??(xiang)位??(wei)移??(yi)等??(deng)指??(zhi)標(biāo)??(biao)提??(ti)出??(chu)很??(hen)高??(gao)要??(yao)求??(qiu)???！敝??(zhong)鐵??(tie)大??(da)橋??(qiao)院??(yuan)總??(zong)工??(gong)程??(cheng)師??(shi)肖??(xiao)海??(hai)珠??(zhu)說??(shuo)???！　⊙??(yan)江??(jiang)干??(gan)線?(xian)公??(gong)路??(lu)是??(shi)長(zhǎng)??(chang)江?(jiang)經(jīng)??(jing)濟(jì)??(ji)帶祝(dai)綜??(zong)合??(he)立??(li)體??(ti)交??(jiao)通??(tong)走??(zou)廊??(lang)的?(de)重?(zhong)要??(yao)組??(zu)成?(cheng)部??(bu)分?(fen)??。??據(jù)??(ju)交??(jiao)通??(tong)運(yùn)??(yun)輸?(shu)部??(bu)公??(gong)路?(lu)局??(ju)介??(jie)紹?(shao)??，截??(jie)至??(zhi)去??(qu)年??(nian)底?(di)??，長(zhǎng)??(chang)江??(jiang)經(jīng)??(jing)濟(jì)??(ji)帶??(dai)區(qū)??(qu)域??(yu)公??(gong)路?(lu)網(wǎng)??(wang)總??(zong)里??(li)程??(cheng)達(dá)?(da)244.6萬?(wan)公??(gong)里??(li)??，其??(qi)中??(zhong)干??(gan)線??(xian)公??(gong)路??(lu)總??(zong)里??(li)程??(cheng)達(dá)??(da)30.9萬??(wan)公??(gong)里??(li)??，高??(gao)速??(su)公??(gong)路??(lu)通??(tong)車??(che)里??(li)程??(cheng)約?(yue)7.3萬??(wan)公??(gong)里??(li)??。橫??(heng)貫??(guan)東??(dong)西?(xi)的??(de)沿??(yan)江??(jiang)高??(gao)速??(su)公?(gong)路??(lu)主??(zhu)通??(tong)道??(dao)已??(yi)初?(chu)步??(bu)形??(xing)成??(cheng)??，已??(yi)建??(jian)成??(cheng)通??(tong)車??(che)里??(li)程??(cheng)超??(chao)過??(guo)3500公??(gong)里??(li)??，建??(jian)成?(cheng)率??(lv)達(dá)??(da)80%??。。