重(zhong)慶軌道交通18號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)渝中(zhong)區(qu)延(yan)(yan)伸(shen)(shen)(shen)段(duan)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)（18號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)渝中(zhong)區(qu)延(yan)(yan)伸(shen)(shen)(shen)段(duan)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)線(xian)(xian)(xian)路(lu)(lu)全長10.60km，均(jun)為(wei)地下線(xian)(xian)(xian)，設站(zhan)(zhan)(zhan)8座(zuo)，均(jun)為(wei)地下站(zhan)(zhan)(zhan)，設換(huan)(huan)乘車站(zhan)(zhan)(zhan)4座(zuo)，大(da)坪西站(zhan)(zhan)(zhan)及重(zhong)慶站(zhan)(zhan)(zhan)與(yu)26、27號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)換(huan)(huan)乘，七星崗(gang)站(zhan)(zhan)(zhan)與(yu)1、10號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)換(huan)(huan)乘，小什字站(zhan)(zhan)(zhan)與(yu)1、6號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)換(huan)(huan)乘。線(xian)(xian)(xian)路(lu)(lu)沿用18號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)一期(qi)(qi)(qi)(qi)（原(yuan)5A線(xian)(xian)(xian)）線(xian)(xian)(xian)路(lu)(lu)技(ji)術(shu)標(biao)(biao)準，初、近、遠期(qi)(qi)(qi)(qi)采用As車6、6、7輛(liang)編(bian)(bian)組，設計時速為(wei)100km/h。工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)不(bu)新建主(zhu)變(bian)(bian)電(dian)所(suo)(suo)，利用一期(qi)(qi)(qi)(qi)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)原(yuan)有(you)主(zhu)變(bian)(bian)電(dian)所(suo)(suo)提(ti)供電(dian)源。控(kong)制中(zhong)心(xin)接(jie)入一期(qi)(qi)(qi)(qi)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)大(da)竹林控(kong)制中(zhong)心(xin)。）重(zhong)慶軌道交通18號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)渝中(zhong)區(qu)延(yan)(yan)伸(shen)(shen)(shen)段(duan)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)（18號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)渝中(zhong)區(qu)延(yan)(yan)伸(shen)(shen)(shen)段(duan)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)線(xian)(xian)(xian)路(lu)(lu)全長10.60km，均(jun)為(wei)地下線(xian)(xian)(xian)，設站(zhan)(zhan)(zhan)8座(zuo)，均(jun)為(wei)地下站(zhan)(zhan)(zhan)，設換(huan)(huan)乘車站(zhan)(zhan)(zhan)4座(zuo)，大(da)坪西站(zhan)(zhan)(zhan)及重(zhong)慶站(zhan)(zhan)(zhan)與(yu)26、27號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)換(huan)(huan)乘，七星崗(gang)站(zhan)(zhan)(zhan)與(yu)1、10號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)換(huan)(huan)乘，小什字站(zhan)(zhan)(zhan)與(yu)1、6號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)換(huan)(huan)乘。線(xian)(xian)(xian)路(lu)(lu)沿用18號(hao)(hao)(hao)(hao)(hao)線(xian)(xian)(xian)一期(qi)(qi)(qi)(qi)（原(yuan)5A線(xian)(xian)(xian)）線(xian)(xian)(xian)路(lu)(lu)技(ji)術(shu)標(biao)(biao)準，初、近、遠期(qi)(qi)(qi)(qi)采用As車6、6、7輛(liang)編(bian)(bian)組，設計時速為(wei)100km/h。工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)不(bu)新建主(zhu)變(bian)(bian)電(dian)所(suo)(suo)，利用一期(qi)(qi)(qi)(qi)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)原(yuan)有(you)主(zhu)變(bian)(bian)電(dian)所(suo)(suo)提(ti)供電(dian)源。控(kong)制中(zhong)心(xin)接(jie)入一期(qi)(qi)(qi)(qi)工(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)大(da)竹林控(kong)制中(zhong)心(xin)。）