A Highway Runs Through It When U.S. Highway 29 between Greenville and Spartanburg was completed in 1946, it became the first modern super highway in the Upstate region. Known by many as the Super Highway, it was lauded as the "finest type in the country." Although it is technically a north-south highway, it takes a meandering course across piedmont ridges, adding side roads and economic development. The businesses that grew along the corridor...