Roads of the Mid-South & West > Highways of the State of Illinois > County Highways of the State of Illinois > County Highways of St. Clair County > St. Clair County Highway P66

St. Clair County Highway P66

St. Clair County Highway P66 is a north-south highway on the southwest side of Belleville.

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NB SCCH P66 north of SCCH J10.

NB SCCH P66 south of IL St Rt 15.

A BGS on WB IL St Rt 15.

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24 October 2023