(1) U.S. 71 from the I-40 intersection to the Missouri line shall be designated as the “John Paul Hammerschmidt Highway” within the State of Arkansas.
(2) In addition to that portion of U.S. 71 designated the “John Paul Hammerschmidt Highway” under subsection (a) of this section, that portion of U.S. 71 from its intersection with I-540 in Fort Smith, Arkansas, to the State Highway 10 exit near Greenwood, Arkansas, is hereby designated a part of the John Paul Hammerschmidt Highway.
(3) It shall be the responsibility of the Arkansas Department of Transportation to place appropriate highway identifying signs on the highway.
(4) The department shall erect appropriate signs along the section of the highway designated herein, indicating that the highway has been designated the “John Paul Hammerschmidt Highway”.