The county is serviced by two interstate highways. Interstate 76 runs east-west through the northern half of the county. The junction of I-76 and I-80 lies on the northern border. U.S. Highway 138 running on the north side of the South Platte parallels I-76. This route connects the smaller towns between Sterling and Julesburg. U.S. Highway 385 runs north-south through the entire state and north to the Canadian border. State Highway 59 runs south from the town of Sedgwick through Haxtun to Yuma, Colorado and north into Chappell, Nebraska. Other County roads are county Highway 11, NE26, NE 30. These roads and highways provide direct access from the incorporated municipalities in Sedgwick County, as well as surrounding municipalities to the transportation corridors I-76 and I-80.