DIXIE HIGHWAY, an American thoroughfare beginning at Sa vannah, Ga., and ending at San Diego, Calif. About 2,66o m. in length, it is one of the most di rect routes from the Atlantic to the Pacific through the south. It is mostly improved or graded with pavements in California and in and out of large centres, and includes Columbus, Meri dian, Vicksburg, Dallas, El Paso and Phoenix (qq.v.) in its course.