U.S. Route 83 (US-83) is a part of the U.S. Highway System that runs from the Veterans International Bridge in Brownsville, Texas north to the Canadian border, north of Westhope, North Dakota, where it continues as Manitoba Highway 83. In the U.S. state of Kansas, US-83 is a main north–south highway that runs from the Oklahoma border north to the Nebraska border.

U.S. Route 270 (US 270) is a spur of US 70. It travels for 643 miles (1,035 km) from Liberal, Kansas at US 54 and US 83 to White Hall, Arkansas at Interstate 530 (I-530) and US 65. It travels through the states of Arkansas, Oklahoma, and Kansas. It travels through the cities of Oklahoma City, Oklahoma, Hot Springs, Arkansas, and McAlester, Oklahoma.