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 J42
St. Clair County Highway J42
St. Clair County Highway J42 is a east-west highway in Southwestern St. Clair County. It runs from south of Marissa to south of New Athens.
EB SCCH J42 east of SCCH R28.
