25E is a mostly four-lane limited-access road with interchanges at major intersections. Corridor S: From I-81, near Morristown, Tennessee, to SR 63, in Harrogate, Tennessee. The entire section of US 25E is authorized for ADHS funding. As of 2013, is still slated for construction along the route. Cutting through various mountain ridges, US 25E provides a four-lane limited-access road with interchanges at major intersections. Corridor W: From I-85, in Greenville, South Carolina, to I-26/US 74, near East Flat Rock, North Carolina. Of the section of US 25, only was authorized for ADHS funding. In 2013, both states have completed Corridor W. US 25 in South Carolina provides a four-to-six-lane limited-access road, with interchanges at major intersections; while US 25 in North Carolina is a four-lane controlled-access highway. History US 25 was established on November 11, 1926, as part of the original United States Numbered Highway System; it was routed along the Dixie Highway from North Augusta, South Carolina, to Port Huron, Michigan, with two divides (US 25E and US 25W) through Tennessee and Kentucky, with US 25E having also a short section in Virginia. In 1928, one divided section between Richmond and Newport, Kentucky, was removed; US 25 followed the US 25W routing, while US 25E was mostly replaced by US 27. In 1929, US 25 was extended south into Georgia, ending at US 80 near Statesboro, Georgia. In 1933, US 25 was extended north from Port Huron to Port Austin, Michigan. In 1936, US 25 was extended south again to its current terminus at US 17 in Brunswick, Georgia. In 1957, US 25 was shifted onto new four-lane road in Richmond County, Georgia. In 1974, US 25 was eliminated in Ohio and Michigan, establishing its northern terminus on the Clay Wade Bailey Bridge in Covington, Kentucky. Its former alignment was replaced by Interstate 75 between Cincinnati and Detroit, and Interstate 94 between Detroit and Port Huron. M-25 continues as the designation of former US 25 between Port Huron and Port Austin, while Ohio State Route 25 much of the former route from Toledo to near Cygnet, Ohio. In 2000, US 25E was rerouted through the Cumberland Gap Tunnel (opened four years prior), making a direct link between Tennessee and Kentucky, eliminating Virginia's short section. Its old alignment that went through historic Cumberland Gap was handed over to the Cumberland Gap National Historical Park, and the former roadbed through the