Roads of the Mid-South & West > Highways of the State of Illinois > County Highways of the State of Illinois > County Highways of Mc Henry County > Mc Henry County Highway A42

Mc Henry County Highway A42

Mc Henry County Highway A42 runs east-west in Southern Mc Henry County.

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A junction marker on SB MCH T65.

WB MCH A42 at the eastern beign point.

The eastern begin marker.

A guide marker on SB MCH T65.

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12 April 2026