US 25 and US 70 travel northwesterly together, through Marshall and Hot Springs into Tennessee. Tennessee In concurrency with US 70 and SR 9, US 25 enters the state through the Bald Mountains, followed by crossing the French Broad River along Wolf Creek Bridge. Along the northern bank of the French Broad River, it crosses back over and leaves the Cherokee National Forest. US 25 enters Newport, after crossing the Pigeon River, and serves as Broadway Street through the downtown area. At the western edge of Newport, US 25 splits: US 25E towards Morristown and US 25W towards Knoxville. U.S. Route 25E Traversing a from Newport, Tennessee, to North Corbin, Kentucky, US 25E connects the cities of White Pine, Morristown, Bean Station, Tazewell and Harrogate in Tennessee. Entering Kentucky via the Cumberland Gap Tunnel, it connects the cities of Middlesboro and Barbourville. In North Corbin, after merging back with US 25W, a US 25E connector continues west to I-75. U.S. Route 25W Traversing a from Newport, Tennessee, to North Corbin, Kentucky, US 25W goes west connecting Dandridge, Knoxville and northwest to Clinton. Going north in parallel or in concurrency with I-75, it goes through Caryville, Jacksboro, La Follette and Jellico, before crossing the Tennessee/Kentucky line. Continuing north, it goes through Williamsburg before going through downtown Corbin and then reconnecting with US 25E in North Corbin. Kentucky US 25 starts again in North Corbin and traverses north, in parallel with I-75, connecting the cities of London, Berea, Richmond, Lexington and Dry Ridge. US 25 ends in Covington at the Ohio state line over the Ohio River along Clay Wade Bailey Bridge; US 42/US 127 continue into Cincinnati. ADHS corridors US 25 overlaps with three corridors that are part of the Appalachian Development Highway System (ADHS), which is part of Appalachian Regional Commission (ARC). Passed in 1965, the purpose of ADHS is to generate economic development in previously isolated areas, supplement the interstate system, connect Appalachia to the interstate system, and provide access to areas within the Region as well as to markets in the rest of the nation. Corridor F: From I-75, in Caryville, Tennessee, to US 23, in Jenkins, Kentucky. US 25W overlaps a section in Caryville; though already a four-lane boulevard, it is slated to be improved upon in that area. US 25E overlaps a section, centered around the Cumberland Gap area. From Harrogate, Tennessee to Pineville, Kentucky, US