U.S. 421

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Project 421 is the Indiana Department of Transportation’s study of the half-mile section of U.S. 421 through Madison, Ind., that approaches the Milton-Madison Bridge, which spans the Ohio River between Madison and Milton, Ky. The goal of Project 421 is to select a route that best addresses the safety concerns, mobility challenges, and economic development needs of Madison.

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Contact Information

Customer Service
Indiana Department of Transportation-Seymour District
185 Agrico Lane
Seymour, IN 47274
Phone: 877-305-7611
Fax: 812-522-7658