(a) The following highways and designated parts of highways within the State of Arkansas are designated as scenic highways:

(1) U.S. 65 from the Louisiana line to the Missouri line;

(2) U.S. 71 from the Louisiana line to the Missouri line;

(3) U.S. 82 from the Mississippi River to Texarkana;

(4) U.S. 270 from U.S. 71 to Hot Springs;

(5) I-30 from Little Rock to U.S. 70 west of Benton, and U.S. 70 to Hot Springs;

(6) I-40 from Little Rock to the Oklahoma line west of Fort Smith;

(7) U.S. 63 from I-55 at Turrell to Mammoth Spring;

(8) U.S. 62 from the Missouri line to the Oklahoma line;

(9) State 7 from the Louisiana line to Bull Shoals Lake north of Harrison;

(10) The Great River Road: Highway 82 from the Mississippi line west to Highway 65; Highway 65 north from the Louisiana line to Dumas; Highway 4 from McGehee east through Arkansas City to Highway 1; Highway 1 from its intersection with Highway 4 through Watson to Highway 165 at Back Gate; Highway 165 north from Dumas to Dewitt; Highway 1 north to Highway 316; Highway 316 east to Highway 318; Highway 318 south to Highway 20; Highway 20 east to Elaine; Highway 44 north to Perry Street, Highway 20 north, U.S. Highway 49 Business North, Perry Street and east to Mississippi River Levee Rd. north through Helena-West Helena; Phillips County Road 239, 215, and 217; Lee County Road 217 and 221 through the St. Francis National Forest, Highway 44 to Marianna; Highway 79 north to Highway 38; Highway 38 east to Highway 147; Highway 147 north to Highway 70; Highway 70 and I-55 through West Memphis to the Tennessee line; Highway 77 from Highway 70 in West Memphis north to Highway 61; and Highway 61 through Blytheville to the Missouri line;

(11) State 32 and State 355 from Ashdown to Mineral Springs;

(12) State 27 to Kirby; U.S. 70 and State 8 to Norman; State 27 to Dardanelle; and State 27 from Dover to Harriet;

(13) State 9 from Crows to Jct. U.S. 65; State 16 from U.S. 65 to Shirley; and State 9 from Shirley to Mammoth Spring;

(14) State 28 from U.S. 71 to Ola;

(15) State 154 from Oppelo to State 27;

(16) State 23 from U.S. 71 to the Missouri line;

(17) State 309 from State 10 to State 23 at Ozark;

(18) State 21 from Clarksville to the Missouri line;

(19) State 16 from Searcy to Siloam Springs, including the connecting segment of State 25 at Heber Springs;

(20) State 14 from U.S. 63 to Table Rock Lake;

(21) State 68 from Alpena to Siloam Springs;

(22) State 5 from U.S. 67 to the Missouri line;

(23) State 25 from its intersection with U.S. 65 to Heber Springs; State 25 from Heber Springs to Batesville; U.S. 167 from Batesville to Ash Flat; State 286 from its intersection with I-40 to its intersection with State 60; State 60 from its intersection with State 286 to Perryville; and State 10 from its intersection with State 9 to I-430;

(24) State 58 from Sage through Guion, and State 69 to Melbourne;

(25) State 178 from Flippin to Mountain Home;

(26) State 88 from the Oklahoma line to Mena;

(27) State 59 from Van Buren to Jct. State 220;

(28) State 220 from Jct. 59 to State 74 at Devil's Den State Park;

(29) State 170 from Devil's Den State Park to U.S. 71 at West Fork;

(30) I-40 from the Tennessee line to Little Rock;

(31) I-30 from Benton south to the Clark County line;

(32) State 10 from Ola to Greenwood;

(33) State 22 from Dardanelle to Paris;

(34) State 12 from Rogers to Jct. State 23;

(35) State 141 from Jonesboro to McDougal;

(36) State 125 from its intersection with State 14 north of Yellville to the Missouri line;

(37) U.S. 49 from its intersection at Brinkley to the Mississippi state line, which will be known as the "Delta Parkway, an Arkansas Scenic Highway";

(38) State 5 from Benton to Hot Springs;

(39) U.S. 64 from its intersection with I-40 in Johnson County westward to the western corporate limits of the city of Ozark;

(40) State 186 from its intersection with I-40 in Franklin County south to its intersection with U.S. 64 at Altus;

(41) U.S. 70 from its intersection with I-440 in Pulaski County eastward to its intersection with U.S. 49 at Brinkley;

(42) U.S. 165 from its intersection with I-440 in Pulaski County eastward to Dumas;

(43) State 220 from State 59 to the Oklahoma border;

(44) That portion of State Highway 166 beginning at its intersection with U.S. 62 in Randolph County and extending south to the county line; State 361 beginning at the Spring River Bridge in Lawrence County and ending at its intersection with State 25 in Black Rock; and State 25 beginning at its intersection with State 361 in Black Rock and ending at the entrance to the Lake Charles State Park;

(45) U.S. 62 from St. Francis in Clay County, then south and west through Piggott to the intersection of West Cherry Street, then west on West Cherry Street to 12th Street, then north on 12th Street to its intersection with U.S. 62 West; then west on U.S. 62 to McDougal intersecting with State 141; then south on State 141 through Boydsville and Knob to Hooker where it intersects with State 135; then south along State 135 through Lafe to its intersection with U.S. 49; then south along U.S. 49 to Court Street in Paragould, then east on Court Street to Pruett Street, south on Pruett Street to Main Street, west on Main Street to 7th Street, south on 7th Street to U.S. Highway 412; then west along U.S. 412 to its intersection with State 168; then south on State 168 to an intersection with State 141 at Walcott; then south along State 141 to County Road 766, KAIT Road; then east on County Road 766 to State 351; then south on State 351 to U.S. 49 and U.S. 1 in Jonesboro; then south on U.S. 49 and U.S. 1 to Aggie Road, west to Robinson Street, south to Marshall Street, west to Caraway Road, then south on Caraway Road to Matthews Avenue, then west on Matthews Avenue to U.S. 49B, north to Cate Avenue, west to U.S. 49B, Union Avenue, and south to Campus Street; picking up at the intersection of State 1B South and State 18 East, then south on State 1B to an intersection with Windover Road; picking up at the intersection of State 1B South and Lakewood Drive; then south along State 1B to Craighead Forest Road; west on Craighead Forest Road to State Highway 141, Culberhouse Road; south on State Highway 141 to Lawson Road; east on Lawson Road across State Highway 1, continuing east to join State Highway 163; then south on State 163 to South Street in Harrisburg, then southwest on South Street to Center Street, west on Center to the Courthouse Square, south on East Street to Court Street to North Main Street, North Main Street to East Jackson Street, State 14; then east on State 14 to State 163 South through Birdeye to an intersection with U.S. 64 at Levesque; then west along U.S. 64 and U.S. 64B; State Highway 284, Hamilton Avenue, into Wynne to Terry Street, south on Terry Street to Commercial Avenue, west on Commercial Avenue to Front Street, south on Front Street to Merriman Avenue, east on Merriman Avenue to U.S. 1, Falls Boulevard, south on U.S. 1 to Martin Drive, County Road 734, east on County Road 734 to State 284 South; then south on State 284 to Forrest Street in Forrest City, south on Forrest Street to East Broadway, west to Izard Street, south to East Front Street, west on East Front Street and intersecting with State 1; then south on State 1 to an intersection with U.S. 79; then east on U.S. 79 through Marianna to Poplar Street, then south on Poplar Street to an intersection with State 44; then south on State 44 through the St. Francis National Forest intersecting with State 242; then south along State 242 to U.S. 49B; then east on U.S. 49B, becoming Perry and Porter Streets, to Cherry Street in Helena-West Helena, south on Cherry Street to Missouri Street, west on Missouri Street to Biscoe, at U.S. 49B; and then south on U.S. 49B to the Arkansas-Mississippi Bridge, which will be known as "Crowley's Ridge Scenic Highway", an Arkansas Scenic Highway;

(46) State 540 from I-40 northward to Mountainburg in Crawford County and that portion of the route being constructed on a new location to its intersection with the U.S. 71 Fayetteville Bypass in Washington County;

(47) I-530 from State 256 to U.S. 65 South;

(48) Beginning at the intersection of State 96 and U.S. 71 west of Mansfield in Sebastian County; then along State 96 westward until reaching the eastern corporate limits of Hartford in Sebastian County, which will be known as the "Poteau Mountain Scenic Highway", an Arkansas Scenic Highway;

(49) State 10 from the western corporate limits of Greenwood in Sebastian County, then westward along State 10 until reaching the Oklahoma state boundary, which will be known as the "Sugarloaf Mountain Scenic Highway", an Arkansas Scenic Highway; and

(50) State 90 in Pocahontas, Randolph County, from the Court Square to Ravenden, Lawrence County, and State 90 in Pocahontas, from the Court Square to Dalton on State 93.

(b)

(1) It shall be the responsibility of the Arkansas Department of Transportation to place appropriate highway identifying signs on those highways herein that are state highways.

(2) It shall be the obligation of the respective counties to place appropriate signs on county roads on their respective county road systems.

(3) The department shall identify all highways designated herein as scenic highways on any official state highway maps prepared and distributed by the department.

(c) The department shall erect appropriate signs along the route of those highways or sections of highways designated herein, indicating that these highways or parts of highways have been designated as scenic highways.