Illinois State Route 61 is a east-west highway across Northern Adams County. This is mostly a two-lane rural highway, with the exception of the four miles that it travesl on the Illinois State Route 336 expressway. IL St Rt 61 passes through the following towns in Adams County. Ursa
The western end point of IL St Rt 61. The western end marker. EB IL St Rt 61 east of Ursa. SB IL St Rt 61 east of Mendon. A BGS on NB IL St Rt 336. A BGS on NB IL St Rt 110/336. A guide marker on NB IL St Rt 336. A BGS on NB IL St Rt 61. NB IL St Rt 61/110/336 north of south IL St Rt 61. NB IL St Rt 61/110/336 south of Loraine. A junction marker on NB IL St Rt 61/110/336. A guide marker on NB IL St Rt 61/110/336. Another junction marker on NB IL St Rt 61/110/336. WB IL St Rt 61 east of IL St Rt 110/336.