- Skip Navigation

Note: This message is displayed if (1) your browser is not standards-compliant or (2) you have you disabled CSS. Read our Policies for more information.

  • Business & Agriculture
  • Residents
  • Government
  • Education
  • Taxes & Finance
  • Visiting & Playing
  • Family & Health

Indiana Department of Transportation

Amber Alert
Amber Alert - TEST
  • 2015 State Map
  • trafficwise_widget
  • report_concern_widget

Indiana Department of Transportation

U.S. 421 U.S. 421

Project 421 logo

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.

Recommended Alternative

Related Links

Contact Information

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