Roads of the Mid-South & West > Highways of the State of Indiana > Double Number State Routes of Indiana > Indiana State Route 18
|Indiana State Route 18|
Indiana State Route 18 run east-west across much of Indiana. Info on IN St Rt 18 is broken down by county below.
Benton County White County
Cass County Miami County Grant County
Blackford County Jay County
19 September 2020