大連地(di)鐵一(yi)號(hao)線(xian)(xian)1號(hao)線(xian)(xian)為貫穿城市南(nan)北(bei)方向的骨干(gan)線(xian)(xian)路(lu)，北(bei)起姚家，南(nan)至(zhi)河口，途(tu)經華北(bei)路(lu)、山(shan)東路(lu)、促進路(lu)、西安(an)路(lu)、中山(shan)路(lu)、黃浦路(lu)等城市主(zhu)(zhu)干(gan)路(lu)。一(yi)期(qi)工程擬建地(di)鐵正線(xian)(xian)長度(du)(du)21.174km，其中主(zhu)(zhu)線(xian)(xian)長18.104km，支(zhi)線(xian)(xian)長3.070km,全部為地(di)下線(xian)(xian)路(lu)。線(xian)(xian)路(lu)與南(nan)關(guan)嶺(ling)車輛段連接線(xian)(xian)長度(du)(du)1.551km，其中地(di)上地(di)下過渡段長度(du)(du)1.013km，高架線(xian)(xian)長度(du)(du)0.390km，地(di)面線(xian)(xian)長度(du)(du)0.148km。