Business U.S. Federal Route 51 runs north-south through the City of Decatur. This runs along the old route of U.S. Rt. 51, which is now re-routed on a expressway by-passing Decatur to the west. BUSN. U.S. Rt. 51 passes through the following town in Macon County. Decatur
U.S. Rt. 51, south of Decatur. (Partial Interchange)
Overhead sign on NB U.S. Rt. 51 at BUSN U.S. Rt. 51 south of Decatur. BGS on SB U.S. Rt. 51, south of Decatur. A BGS on NB U.S. Rt. 51. A BGS along BUSN U.S. Rt. 51 near Elwin. NB BUSN U.S. Rt. 51 south of Decatur. NB BUSN U.S. Rt. 51/EB IL St Rt 105 at Lake Decatur. NB BUSN U.S. Rt. 51/EB IL St Rt 105 north of Lake Decatur. NB BUSN U.S. Rt. 51 north of east IL St Rt 105. A railroad underpass on SB BUSN. U.S. Rt. 51, south of Downtown Decatur. NB BUSN U.S. Rt. 51 at Decatur Street in Decatur. SB BUSN. U.S. Rt. 51 near Downtown Decatur. NB BUSN U.S. Rt. 51 north of Downtown Decatur. NB BUSN. U.S. Rt. 51 at the U.S. Rt. 51/I-72 interchange on the northside of Decatur. EB I-72 at U.S. Rt. 51/BUSN. U.S. Rt. 51 on the northside of Decatur. A BGS on WB I-72. End sign on NB BUSN. U.S. Rt. 51 at the Decatur/Forsyth City Limits.
