U.S. Federal Route 20 is a east-west highway across Northern Dakota County. From Nebraska State Route 110 to the Nebraska/Iowa State Line, this is on a divided highway. U.S. Rt. 20 passes through the following towns in Dakota County. Jackson South Sioux City
U.S. Rt. 20 is multi-plexed in Dakota County. Interstate 129, near South Sioux City. U.S. Rt. 75, near South Sioux City.
U.S. Rt. 20 intersects the following highways in Dakota County. Nebraska State Route 12, near Ponca. Nebraska State Route 110, near Jackson.
EB I-129/U.S. Rt. 20; NB U.S. Rt. 75 near the Missouri River. WB I-129/U.S. Rt. 20; SB U.S. Rt. 75 in South Sioux City. EB I-129/U.S. Rt. 20; NB U.S. Rt. 75 in South Sioux City. WB I-129/U.S. Rt. 20; SB U.S. Rt. 75 east of U.S. Rt. 77. Overhead signs WB I-129/U.S. Rt. 20; SB U.S. Rt. 75 at U.S. Rt. 77. A mileage sign on NB U.S. Rt. 75/77. A BGS on NB U.S. Rt. 75/77. Looking east along I-129/U.S. Rt. 20 at U.S. Rt. 75/77. A close-up of the BGS's from the picture above. Looking west along U.S. Rt. 20 at the end of I-129. A WB guide marker on WB U.S. Rt. 20. WB U.S. Rt. 20 west of South Sioux City.