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The Primary Highway Access Control Code contains the current administrative rules governing access to the primary highway system
The Access Management Manual contains information to assist the public when requesting access to the primary highway system and guidance on the Access Management Program.
For design information, please reference the Iowa DOT Design Manual. Chapter 3 contains guidance for entrance design. Chapter 4 contains guidance for drainage.
Administrative Rules on Primary Highway Access Control
Access Management Manual First Edition
Private property access to a primary highway or permits to construct an entrance to a primary highway can be applied for using our electronic permitting system.
The Department requires a traffic impact analysis for all Type "A" and Type "B" access permits. The pdf below contains the guidelines for a traffic impact analysis.
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