page_title: U.S. Route 70 in Oklahoma
section_title: Route description
hierarchical_section_title: U.S. Route 70 in Oklahoma / Route description
caption_attribution_description: Sign assembly along US-70 directing traffic to southbound SH-209 east of Hugo, Oklahoma.
context_page_description: U.S. Route 70 is a transcontinental U.S. highway extending from Globe, Arizona to Atlantic, North Carolina. Along the way, 289.81 miles of its route passes through the state of Oklahoma. Entering the state south of Davidson, the highway serves Oklahoma's southern tier before exiting the state east of Broken Bow. It serves the cities of Ardmore, Durant, Hugo, and Idabel, as well as Tillman, Cotton, Jefferson, Carter, Marshall, Bryan, Choctaw, and McCurtain counties.
  US-70 was first established in Oklahoma in 1926. The highway's initial path included several deviations from the present-day route, serving Walters and following a more northerly course between Ardmore and Madill. US-70 did not enter Tillman County until 1945. The modern route between Ardmore and Madill was not established until 1984 when it received the US-70 designation.
context_section_description: US-70 enters Oklahoma in Tillman County, crossing the Red River from Texas, concurrent with US-183. The two routes head north into Davidson, where they split; US-183 continues north toward the county seat of Frederick, while US-70 turns due east. It leaves Davidson, passing south of the Hackberry Flat Wildlife Management Area. Approximately 11 ¹⁄₂ miles (18.5 km) east of Davidson, the highway serves as the southern terminus of State Highway 54 (SH-54), which connects US-70 to Hollister. Continuing east from the SH-54 junction, US-70 next enters Grandfield, where it begins a concurrency with SH-36. The two highways proceed east from this junction, leaving Tillman County, US-70 having traveled for 30.78 miles (49.54 km) within its boundaries.
  US-70/SH-36 pass into Cotton County, heading southeast along the southern limit of Devol, which is served by SH-70B, a spur from US-70. US-70 and SH-36 turn back to the east, coming to a junction about four miles (6.4 km) east of Devol, where SH-36 splits away to the south. US-70 then comes to an interchange with Interstate 44 (I-44). This interchange, I-44 exit 5, is the southern terminus of the H. E. Bailey Turnpike. US-277 and US-281 exit the Interstate at this point, forming a triple concurrency with US-70 as it continues east toward Randlett. There, the three routes serve as the southern terminus of SH-70C. At the southeast corner of the Randlett limits, US-277/US-281 turn north, while US-70 continues on its due east course. At Taylor, seven miles (11 km) east of Randlett, US-70 meets SH-5B at its southern terminus. Further to the east, US-70 serves as the southern terminus of another state highway, SH-65. US-70 then exits Cotton County.
  The next county US-70 enters in Oklahoma is Jefferson County. The highway enters the county seat, Waurika, about five miles (8.0 km) east of the Cotton–Jefferson county line. On the southwestern outskirts of town, the route is the northern terminus of SH-79, which connects US-70 to SH-79 in Texas. US-70 runs along the southern edge of Waurika, coming to the eastern terminus of SH-5 and intersecting US-81. Leaving town, it proceeds due east across unincorporated Jefferson County for about 21 miles (34 km). The highway then cuts through Cornish and Ringling, intersecting SH-89 in the latter town. US-70 passes into Carter County east of Ringling.
  US-70 heads due east on an arrow-straight route for the next 22 ¹⁄₂ miles (36.2 km) across Carter County. About 3 ¹⁄₂ miles (5.6 km) east of the county line, the highway passes through unincorporated Zaneis, where it widens to a four-lane divided highway. South of Healdton, it is joined by SH-76, which follows US-70 for approximately 2 ¹⁄₂ miles (4.0 km) before splitting away to the south in Wilson. To the east, US-70 junctions with SH-70A, which heads south to link to SH-76 in downtown Wilson. US-70 then passes through Lone Grove before entering Ardmore. It meets I-35 at a cloverleaf interchange (exit 31) on the city's west side. Here, eastbound US-70 joins southbound I-35, while SH-199 toward downtown Ardmore begins straight ahead. US-70 exits from the interstate at exit 29, turning back to the east and intersecting with US-77. US-70 passes north of Lake Murray, cutting across the northern reaches of Lake Murray State Park and intersecting the main lake access road, SH-77S, twice. East of the lake, the highway leaves Carter County.
  After leaving Carter County, US-70 enters the smallest of Oklahoma's 77 counties, Marshall County. After crossing the county line, the highway heads due east for 11 miles (18 km), passing through Oakland and then entering the county seat, Madill. On the north side of the city, US-70 approaches a T intersection with US-177 and SH-199; this is the southern terminus of US-177. US-70 turns south, forming a concurrency with SH-199. The two highways head toward downtown Madill, where SH-199 splits off. At the same intersection, US-377/SH-99 join US-70 as it continues south through Madill, splitting away on the south edge of town. US-70 turns southeast, forming the northern terminus o
caption: SH-209 directional assembly along US-70
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