Roads of the Mid-South & West
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Highways of the State of Illinois
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County Highways of the State of Illinois
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County Highways of St. Clair County
> St. Clair County Highway H66
St. Clair County Highway H66
St. Clair County Highway H66 is a east-west highway south of Belleville.
NB SCCH H66 at IL St Rt 13. This is the northern end.
EB SCCH H66 near IL St Rt 163.
A guide marker.
NB SCCH H66 at the southern end near Columbia.
