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Iowa Road Signs

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FAQs - Destination Signs on Interstate and Freeway Highways

  • What destinations can be shown on Destination Signs?
  • What criteria must be met to be eligible for Destination Signs?
  • How do you decide which cities are shown on the Destination Signs?
  • How close does the destination have to be to the interchange?
  • Is there a limit to the number of destinations that can be signed?
  • Why are some of the Destination Signs green and others brown?
  • How are the exit numbers determined?
  • How do I request a Destination Sign?

Iowa Department of Transportation
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Iowa Department of Transportation - 800 Lincoln Way - Ames, IA 50010