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　　2003年??(nian)建??(jian)成??(cheng)通??(tong)車??(che)的??(de)外??(wai)環(huán)??(huan)隧??(sui)道??(dao)是??(shi)中??(zhong)國?(guo)首??(shou)條??(tiao)采??(cai)用??(yong)沉??(chen)管??(guan)法?(fa)施??(shi)工??(gong)的??(de)特??(te)大??(da)型??(xing)越??(yue)江??(jiang)隧??(sui)道??(dao)??，曾??(zeng)是?(shi)上?(shang)海??(hai)北??(bei)部??(bu)地??(di)區(qū)??(qu)唯??(wei)一?(yi)的??(de)大??(da)型??(xing)貨??(huo)運??(yun)車??(che)輛?(liang)越??(yue)江??(jiang)通??(tong)道??(dao)??。??據(jù)??(ju)統(tǒng)??(tong)計??(ji)??，外??(wai)環(huán)??(huan)隧??(sui)道??(dao)歷?(li)年??(nian)車??(che)流??(liu)量?(liang)峰??(feng)值??(zhi)近??(jin)3000萬??(wan)輛??(liang)??，為??(wei)通??(tong)車??(che)初??(chu)期??(qi)的??(de)2.4倍??(bei)??，大??(da)型??(xing)貨??(huo)車?(che)(含??(han)集??(ji)卡??(ka))約??(yue)占?(zhan)流?(liu)量??(liang)的??(de)80%??。多??(duo)年??(nian)來??(lai)由??(you)于??(yu)超?(chao)負(fù)??(fu)荷??(he)運??(yun)營?(ying)等??(deng)各??(ge)種??(zhong)原?(yuan)因??(yin)??，隧??(sui)道??(dao)留??(liu)下??(xia)沉??(chen)管??(guan)接??(jie)頭??(tou)滲??(shen)漏??(lou)、路??(lu)面??(mian)損??(sun)壞??(huai)等??(deng)“歲??(sui)月?(yue)痕??(hen)跡??(ji)”???！　♂??(zhen)對?(dui)老??(lao)舊??(jiu)鋼??(gang)結(jié)??(jie)構(gòu)??(gou)除??(chu)銹??(xiu)難??(nan)題??(ti)??，大??(da)修??(xiu)首??(shou)次??(ci)采??(cai)用??(yong)激??(ji)光??(guang)清?(qing)洗??(xi)技??(ji)術(shù)??(shu)??，避??(bi)免??(mian)傳?(chuan)統(tǒng)?(tong)機??(ji)械??(xie)打??(da)磨??(mo)產(chǎn)??(chan)生??(sheng)的??(de)揚??(yang)塵??(chen)污??(wu)染??(ran)??，揚??(yang)塵??(chen)減??(jian)少?(shao)90%?。??在??(zai)材?(cai)料?(liao)循??(xun)環(huán)??(huan)方??(fang)面??(mian)??，3.8萬??(wan)噸??(dun)舊??(jiu)瀝??(li)青??(qing)100%再??(zai)生?(sheng)利??(li)用?(yong)在??(zai)其??(qi)他??(ta)低??(di)等??(deng)級??(ji)道??(dao)路??(lu)基??(ji)層??(ceng)??，1.2萬??(wan)噸??(dun)混??(hun)凝??(ning)土??(tu)銑?(xi)刨??(pao)料??(liao)轉(zhuǎn)??(zhuan)化?(hua)為??(wei)生??(sheng)態(tài)??(tai)護??(hu)坡?(po)磚??(zhuan)?。在??(zai)能??(neng)源??(yuan)管??(guan)理??(li)方??(fang)面??(mian)??，工??(gong)程??(cheng)團??(tuan)隊??(dui)升??(sheng)級??(ji)機??(ji)電??(dian)系?(xi)統(tǒng)??(tong)??，實??(shi)現(xiàn)??(xian)對??(dui)設(shè)??(she)備??(bei)用?(yong)能??(neng)的?(de)精??(jing)細(xì)??(xi)統(tǒng)?(tong)計??(ji)與??(yu)管??(guan)理??(li)??，同??(tong)時??(shi)全?(quan)線??(xian)升??(sheng)級?(ji)1568套??(tao)LED智??(zhi)能?(neng)調(diào)??(tiao)光??(guang)燈??(deng)具??(ju)??，預(yù)?(yu)計??(ji)全??(quan)年??(nian)可??(ke)節(jié)?(jie)電??(dian)240萬??(wan)千??(qian)瓦??(wa)時??(shi)?。。