Tenn. Code § 11-18-107
Notwithstanding chapter 57 of the Public Acts of 1951, approved February 23, 1951, and the provisions found in the deed conveying all state highways within the Great Smoky Mountains National Park to the United States, dated June 1, 1951, and recorded in the register's office of Sevier County, on August 6, 1951, in volume 106, page 440; Blount County, on August 25, 1951, in volume 172, page 55; and Cocke County, on October 10, 1951, in volume 71, page 491, the state of Tennessee consents to the United States prohibiting the use by commercial vehicles of U.S. highway 441 and Tennessee highway 73 west of Gatlinburg, within the Great Smoky Mountains National Park when interstate route I-40 is completed from near Newport, to U.S. highway 19 near Waynesville, North Carolina.
T.C.A. § 11-18-107