U.S. Federal Route 231 runs due north-south through the center of Madison County. This provides a vital surface route for the Huntsville Metro Area. U.S. Rt. 231 passes through the following towns in Madison County. Fisk Hazel Green Medridanville Normal Huntsville Whitesburg U.S. Rt 231 is multi-plexed in Madison County. U.S. Rt. 431, from the Tennessee/Alabama State Line to Huntsville.
Alabama State Route 1, from the Tennessee/Alabama State Line to the Marshall/Madison County Line. U.S. Rt. 72, at Huntsville. Alabama State Route 2, at Huntsville. Alabama State Route 53, from Huntsville to the Madison/Morgan County Line. U.S. Rt. 231 intersects the following highways in Madison County. U.S. Rt. 72, at Huntsville.
SB U.S. Rt. 231/431 near Fisk. SB U.S. Rt. 231/431 near Meridianville. SB U.S. Rt. 231/431, WB U.S. Rt. 72 in Huntsville on Memorial Parkway. SB U.S. Rt. 231/431, WB U.S. Rt. 72 near University Drive in Huntsville. BGS on EB I-565/ALT U.S. Rt. 72.