U.S. Route 129 (US 129) is an auxiliary route of US 29, which it intersects in Athens, Georgia. US 129 currently runs for from an intersection with US 19/US 27 ALT/US 98 in Chiefland, Florida, to an interchange with Interstate 40 (I-40) in Knoxville, Tennessee. It passes through the states of Florida, Georgia, North Carolina, and Tennessee. It goes through the cities of Macon, Athens, Gainesville, and Knoxville. The section that is located beside Deals Gap on the North Carolina–Tennessee state line is known as or from its winding course. It is a popular motorcycle and sports car destination. This segment runs from Tab Cat Creek to Deals Gap and has about 318 curves in this 11 mile section. Route description Florida US 129 begins at US 19/US 27 Alternate/US 98 in Chiefland, Florida, along hidden SR 47 until it reaches SR 26 in Trenton. From there, the road is signed along hidden SR 49. It then moves west, briefly overlapping US 27 (hidden SR 20) and heads north again in Branford, before that road intersects SR 349, which used to also serve as US 129 Alternate. From here, it intersects with US 90/SR 51 in Live Oak, taking SR 51 as the new hidden state road, then meets I-10 at exit 283, and later I-75 at exit 451. During a concurrency with US 41 in Jasper, US 129 loses SR 51 as a hidden route after the concurrency ends and runs northwest along SR 100 into Georgia. Georgia US 129 provides the primary route between central Georgia and Athens. It approaches Athens from the south where it joins SR 10 Loop, a mostly interstate-grade bypass that rings Athens-Clarke County. Here US 129 turns right, toward the northeast, where it runs concurrently with US 78/US 29/US 441/SR 15 (and unsigned SR 422) along the bypass. US 129 intersects with US 29 northeast of Athens and continues along SR 10 Loop westward before exiting at Jefferson Road where it winds northwesterly towards Gainesville as one of several routes to I-85 from Athens. North Carolina From the Georgia state line, it travels northeast to Topton, where it goes north to Robbinsville followed by Tennessee, through Deals Gap. Tennessee US 129 enters Tennessee to the west of Great Smoky Mountains National Park and rides along Chilhowee Lake for a short distance before turning due north. In this stretch after the Tennessee–North Carolina state