Illinois State Route 17 is the only east-west surface road across Marshall County. This highway also has the first crossing on the Illinois River, north of the Peoria Metro Area. IL St Rt 17 passes through the following towns in Marshall County. Wenona
Lacon
Sparland
Camp Grove IL St Rt 17 is multi-plexed in Marshall County. Illinois State Route 251, near Wenona.
A mile marker in Marshall County. EB IL St Rt 17/SB IL St Rt 40 near La Prairie Center. WB IL St Rt 17 east of south IL St Rt 29. WB IL St Rt 17 between the Illinois River and Sparland. WB IL St Rt 17 near the Illinois River in Lacon. Looking north at the IL St Rt 17 bridge over the Illinois River at Lacon. WB IL St Rt 17 on the east side of the Illinois River. WB IL St Rt 17 on the west side of the Illinois River. EB IL St Rt 17 in Lacon. WB IL St Rt 17 in Lacon. WB IL St Rt 17 at High Street in Lacon. EB IL St Rt 17 on the eastside of Lacon. WB IL St Rt 17 on the bluff east of Lacon. WB IL St Rt 17 west of IL St Rt 89. WB IL St Rt 17 near Varna. WB IL St Rt 17 at IL St Rt 89. EB IL St Rt 17 east of IL St Rt 89. WB IL St Rt 17 west of IL St Rt 117. WB IL St Rt 17 at IL St Rt 117. EB IL St Rt 17 east of IL St Rt 117. EB IL St Rt 17 east of IL St Rt 117. EB IL St Rt 117 west of I-39/U.S. Rt. 51. WB IL St Rt 17 west of Wenona. WB IL St Rt 17 west of I-39/U.S. Rt. 51. WB IL St Rt 17 west of I-39/U.S. Rt. 51. A BGS on NB I-39/U.S. Rt. 51. A BGS on NB I-39/U.S. Rt. 51. A junction marker on NB IL St Rt 251. EB IL St Rt 17 west of south IL St Rt 251. WB IL St Rt 17/SB IL St Rt 251 on the southside of Wenona. EB IL St Rt 17/NB IL St Rt 251 south of 800N Road. WB IL St Rt 17/SB IL St Rt 251 in Wenona. A junction sign in Wenona. A guide marker on EB IL St Rt 17/NB IL St Rt 251 in Wenona. WB IL St Rt 17 east of north IL St Rt 251. WB IL St Rt 17 in Wenona, east of IL St Rt 251. WB IL St Rt 17 at the La Salle/Marshall County Line. WB IL St Rt 17 at the La Salle/Marshall County Line. (January, 2014)