Roads of the Mid-South & West > Highways of the State of Iowa > County Highways of the State of Iowa > County Highways of Clinton County > Clinton County Highway Z40

Clinton County Highway Z40

Clinton County Highway Z40 is a north-south highway in Eastern Clinton County. It runs along 400th Ave.

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SB CCH Z40 at the Clinton/Jackson County Line.

SB CCH Z40 at CCH E44.

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13 July 2026