Four initial study corridors were developed between Savannah and Knoxville. Corridor A represents the farthest west option, running along I-16 west out of Savannah, passing west of Augusta, passing east of Athens and Gainesville in Georgia, and following the western boundary of the National Forests to I-75 at Cleveland. An Eastern Corridor A option follows the same route as Corridor A in the southern portion, but follows SR 60 and SR 68 north from Dahlonega, GA to I-75 near Sweetwater, TN. Corridor B follows the Savannah River Parkway from Savannah, running west of the GA/SC state line, and following existing roadways through the National Forests and along the western boundary of the Great Smoky Mountains National Park to Knoxville. Corridor C follows the Savannah River Parkway from Savannah, follows new and existing alignments through South Carolina from Augusta to west of Greenville, SC, and cuts through the National Forests and the Great Smoky Mountains National Park on existing alignments. Corridor D runs northward on existing alignments from Savannah to Columbia, SC, following I-26 and US 25 north and west to Knoxville. In addition to the four primary routes, a series of small connectors form potential links between the larger corridors.
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