<sod >ÃÂÃÂ  Called the "mainline alternative," the approved route runs through Montana, South Dakota and down the centre of Nebraska - almost following along the existing Keystone pipeline on the Kansas-Nebraska border.< eod>< sod > ÃÂÃÂ  Called the ÃÂ¢ÃÂÃÂmainline alternativeÃÂ¢ÃÂÃÂ, the approved route runs through Montana, South west Dakota, and down the centre of Nebraska, Carolina ÃÂ¢ÃÂÃÂÃÂÃÂ almost following along the existing Keystone pipeline on the Kansas-Nebraska border.< eod>