Illinois State Route 105 is one of the main east-west route though the southside of Decatur and West-Central Macon County. IL St Rt 105 passes through the following town in Macon County. Decatur
IL St Rt 105 is multi-plexed in Macon County. BUSN U.S. Rt. 51, near Lake Decatur.
WB IL St Rt 105 in rural Macon County. A mile marker on IL St Rt 105. WB IL St Rt 105 near Lake Decatur. WB IL St Rt 105 on the eastside of Decatur. WB IL St Rt 105 along Lake Decatur, on the southeastside of Decatur. WB IL St Rt 105 at BUSN. Rt. 51 in Decatur. The interchange with BUSN. U.S. Rt. 51 and IL St Rt 105 on the southside of Decatur is a trumpet style interchange. The split of SB BUSN. U.S. Rt. 51 and WB IL St Rt 105 on the southside of Decatur. The western end in Decatur. The western end marker.
