大連地(di)鐵一號線(xian)(xian)1號線(xian)(xian)為(wei)貫穿城市南(nan)北方(fang)向的骨干線(xian)(xian)路，北起姚(yao)家，南(nan)至河口，途經華北路、山東路、促(cu)進路、西安路、中(zhong)山路、黃浦路等城市主干路。一期工程擬建地(di)鐵正線(xian)(xian)長(chang)(chang)(chang)度(du)(du)21.174km，其中(zhong)主線(xian)(xian)長(chang)(chang)(chang)18.104km，支線(xian)(xian)長(chang)(chang)(chang)3.070km,全部為(wei)地(di)下線(xian)(xian)路。線(xian)(xian)路與南(nan)關(guan)嶺車(che)輛段連接線(xian)(xian)長(chang)(chang)(chang)度(du)(du)1.551km，其中(zhong)地(di)上地(di)下過渡段長(chang)(chang)(chang)度(du)(du)1.013km，高架線(xian)(xian)長(chang)(chang)(chang)度(du)(du)0.390km，地(di)面(mian)線(xian)(xian)長(chang)(chang)(chang)度(du)(du)0.148km。